PRACTICAL GUIDE · REVIEWED 8 OCTOBER 2026

How to Make a Multiplayer Game: Start With Two Players

Make a small local loop, then test server ownership and reconnects in one private room.

Original concept illustration · not gameplay or included asset-pack contents

Your first playable milestone

Separate local play from networking
First prove movement, token pickup and a round ending in a solo prototype. Online multiplayer adds state ownership, latency, hosting and abuse prevention; an asset pack does not solve them.
Use one private room
Start with two players and a short round. For a browser/custom JavaScript client, inspect the Colyseus tutorial and exact SDK versions. It is not a drop-in networking plugin for every engine.
Give the server authority
Clients submit bounded input. The server validates movement, owns scores and resolves competing pickup attempts. Never trust a browser-supplied score or identity without validation.
Handle the awkward journeys
Test two simultaneous joins, one disconnect, one reconnect and the host disappearing. Put limits on messages and room size before inviting strangers.
Price and protect deployment
Free code does not mean free hosting. Review server bills, rate limits, secrets and personal-data handling. Keep public matchmaking out of the first playable milestone.

Building blocks from original creators

Start with the free edition where it fits. Paid editions and services are optional; inspect current prices, licence conditions and engine versions. Preview credits appear on each resource card.

Creator previewOpen the original page for real screenshots.

Free

Endel Dreyer / Colyseus contributors

Colyseus

An authoritative Node.js multiplayer framework with synchronised rooms and client SDKs.

MITCode library

Official licence ↗Licensing summary, not legal advice. Check the exact edition and use.

Starter code included. Library setup still required.

Review code & AI brief

Code, setup and licence notices

BINX Forge — FREE starter code + AI brief: Colyseus.

Give a useful starter plan from the supplied public facts and code now: its purpose, requirements, one reversible integration step and a test. Use project context already available and inspect it if permitted; otherwise give provisional guidance. Do not require a repository, upload or intake questionnaire before that plan. Reuse what already works. Use this example only if it fits the runtime and actual need; ask about engine/version only for a real integration dependency.
This includes starter integration code, not the whole library or a complete game system. Copying needs no download or account; installing the library and any permitted inputs is a separate step. Do not claim an installed library, successful integration or tested platform unless you actually verify it.

Setup: npm install --save-exact colyseus@0.18.9 @colyseus/sdk@0.18.5
Needs: Run the server locally before connecting clients.
A ping/pong connection test, not game state, auth, matchmaking policy, reconnect or production hosting.
Reviewed engine scope: Custom / AI-built runtime; check the language and requirements. Native-engine integrations outside this scope are not reviewed.
Exact example test scope: Two isolated local clients, room join and validated ping/pong. Not a production multiplayer acceptance test.
Official source: https://github.com/colyseus/colyseus
API/source references: https://docs.colyseus.io/server
https://docs.colyseus.io/room
https://github.com/colyseus/colyseus/tree/74c7f66e7261fd7d333ab760ed235d918c7bd1fa

FILE: colyseus-server.mjs
```
// BINX Forge original starter; MIT. Install colyseus 0.18.9.
import { Room, defineServer, defineRoom } from 'colyseus';
export class StarterRoom extends Room {
  maxClients = 4;
  onCreate() {
    this.onMessage('ping', (client, payload) => {
      if (!payload || !Number.isSafeInteger(payload.id) || payload.id < 0) return;
      client.send('pong', { id: payload.id });
    });
  }
}
export function createStarterServer() {
  return defineServer({ rooms: { starter: defineRoom(StarterRoom) }, greet: false });
}
// Local probe: await createStarterServer().listen(2567, '127.0.0.1');
// Connection/message starter only, not auth, game-state sync, reconnect or deployment.
```

FILE: colyseus-client.mjs
```
// BINX Forge original starter; MIT. Install @colyseus/sdk 0.18.5.
import { Client } from '@colyseus/sdk';
export async function connectStarter(endpoint = 'http://127.0.0.1:2567') {
  const client = new Client(endpoint);
  const room = await client.joinOrCreate('starter');
  return room;
}
// Register room.onMessage('pong', handler), then room.send('ping', {id: 1}).
// When leaving, await room.leave(). Use HTTPS/WSS on a real deployment.
```

Retain the following notices. BINX's original starter is MIT; the upstream library keeps its own licence and obligations. Dependency/SDK/assets/hosting terms remain separate.
NOTICE: code-starters/LICENSE-MIT.txt
Copyright (c) 2026 BINX Forge

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.


NOTICE: docs/licences/colyseus-0-18-9-mit.txt
Copyright (c) 2015-2026 Endel Dreyer

MIT License:

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.


NOTICE: docs/licences/colyseus-sdk-0-18-5-mit.txt
Copyright (c) 2015-2026 Endel Dreyer

MIT License:

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.


Rights and exact scope (reference facts):
{
  "licence": {
    "name": "MIT",
    "url": "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE",
    "notes": "Scope is upstream code only. Preserve the linked licence; check every dependency and any distributed assets separately."
  },
  "rights": {
    "sellGame": {
      "status": "conditional",
      "summary": "Yes — conditions apply to the covered code in a finished game.",
      "scope": "Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
      "sources": [
        "https://github.com/colyseus/colyseus",
        "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"
      ],
      "conditions": [
        "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
      ],
      "checkedOn": "2026-10-07"
    },
    "resellFiles": {
      "status": "conditional",
      "summary": "Yes — conditions apply to copies of the covered upstream code.",
      "scope": "Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
      "sources": [
        "https://github.com/colyseus/colyseus",
        "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"
      ],
      "conditions": [
        "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
      ],
      "checkedOn": "2026-10-07"
    },
    "template": {
      "status": "conditional",
      "summary": "Yes — conditions apply to covered code in a source/template product.",
      "scope": "Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
      "sources": [
        "https://github.com/colyseus/colyseus",
        "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"
      ],
      "conditions": [
        "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
      ],
      "checkedOn": "2026-10-07"
    }
  }
}

Finished-game use, original-code resale and source/template distribution are separate permissions. Preserve conditions and recheck the exact version and intended use before publishing. Licensing summary, not legal advice. If you cannot browse the official sources, use this supplied snapshot and state its limits. Do not request credentials or private project files.

MY PROJECT / CHANGE: [I will add details I choose to share.]

Review or copy the code here. No account needed.

See previews & details

Godot editor showing a 3D robot TPS demonstration scene and its editing panels.

ScreenshotFree

Godot Engine contributors · Original screenshot ↗ · CC BY 4.0 ↗. Resized and compressed.

Godot Engine contributors

Godot

Free, open-source game editor for 2D and 3D projects, with scene, animation and interface tools.

MITEngine

Official licence ↗Licensing summary, not legal advice. Check the exact edition and use.

See previews & details

Toon Characters — Six actual character designs from the included Preview.png; cropped to show characters and exclude branding. Pose frames and parts are in the download.

Creator previewFree

Kenney

Toon Characters

Six cartoon 2D characters with pose frames and separate parts.

CC0-1.0Asset pack

Official licence ↗Licensing summary, not legal advice. Check the exact edition and use.

See previews & details

Creator previewFree

Kenney

UI Pack

Interface artwork for buttons, panels and sliders.

CC0-1.0Asset pack

Official licence ↗Licensing summary, not legal advice. Check the exact edition and use.

See previews & details

Check compatibility before importing

Colyseus · by Endel Dreyer / Colyseus contributors · TypeScript, JavaScript, Client SDKs · MIT. Original source ↗
Godot · by Godot Engine contributors · See source for formats · MIT. Original source ↗
Toon Characters · by Kenney · PNG, SVG, XML · CC0-1.0. Original source ↗
UI Pack · by Kenney · OGG, PNG, SVG · CC0-1.0. Original source ↗

For each listing, review the separate permissions to sell a finished game, redistribute files and include files in a source/template product. No pack is implied to contain a complete game or all the mechanics below.

Learn at the original sources

These links support the technical background. The starter milestones above are original Forge recommendations, not claims that a third-party tutorial implements this complete concept.

Build your own version

Build Now: One two-player room with a short round; Server-owned token collection and score; Join, disconnect, reconnect and round reset. Quick Build: A solo token-collection room first; defer networking, matchmaking and public deployment.

Build Now Quick Build Choose engine & refine

Explore Multiplayer Party Room and its copy-ready AI prompt →

Can I use these resources in a commercial game?

Check each exact licence and edition. A permission to sell a game does not automatically allow reselling the original pack or including its files in a reusable source product. Keep attribution and notices when required.

Take this guide to your AI

Review the prompt and add project context only where sharing is permitted.

Review guide prompt

Guide-specific task: How to Make a Multiplayer Game: Start With Two Players. Make a small local loop, then test server ownership and reconnects in one private room.
Use these original milestone recommendations: Separate local play from networking: First prove movement, token pickup and a round ending in a solo prototype. Online multiplayer adds state ownership, latency, hosting and abuse prevention; an asset pack does not solve them.
Use one private room: Start with two players and a short round. For a browser/custom JavaScript client, inspect the Colyseus tutorial and exact SDK versions. It is not a drop-in networking plugin for every engine.
Give the server authority: Clients submit bounded input. The server validates movement, owns scores and resolves competing pickup attempts. Never trust a browser-supplied score or identity without validation.
Handle the awkward journeys: Test two simultaneous joins, one disconnect, one reconnect and the host disappearing. Put limits on messages and room size before inviting strangers.
Price and protect deployment: Free code does not mean free hosting. Review server bills, rate limits, secrets and personal-data handling. Keep public matchmaking out of the first playable milestone.
If this is an existing-project upgrade, inspect permitted project files first and preserve working systems. For resource or engine comparisons, compare exact versions, free limitations and intended commercial use before selecting a tool; do not replace an existing engine just to follow this example.
BINX Forge recipe v2 — FREE starter build.
Selected concept: Multiplayer Party Room. Race a friend to collect tokens in a tiny shared room.
Public concept page: https://binxforge.com/game-ideas/multiplayer-party
Concept-related creator sources (check fit to your selected dimensions/engine; these are ingredients, not the complete game):
[
  {
    "name": "Colyseus",
    "creator": "Endel Dreyer / Colyseus contributors",
    "officialUrl": "https://github.com/colyseus/colyseus",
    "forgeUrl": "https://binxforge.com/resources/colyseus",
    "licence": {
      "name": "MIT",
      "url": "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE",
      "notes": "Scope is upstream code only. Preserve the linked licence; check every dependency and any distributed assets separately."
    },
    "rights": {
      "sellGame": {
        "status": "conditional",
        "summary": "Yes — conditions apply to the covered code in a finished game.",
        "scope": "Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/colyseus/colyseus",
          "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      },
      "resellFiles": {
        "status": "conditional",
        "summary": "Yes — conditions apply to copies of the covered upstream code.",
        "scope": "Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/colyseus/colyseus",
          "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      },
      "template": {
        "status": "conditional",
        "summary": "Yes — conditions apply to covered code in a source/template product.",
        "scope": "Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/colyseus/colyseus",
          "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      }
    },
    "formats": [
      "TypeScript",
      "JavaScript",
      "Client SDKs"
    ]
  },
  {
    "name": "Toon Characters",
    "creator": "Kenney",
    "officialUrl": "https://kenney.nl/assets/toon-characters",
    "forgeUrl": "https://binxforge.com/resources/kenney-toon-characters",
    "licence": {
      "name": "CC0-1.0",
      "url": "https://kenney.nl/assets/toon-characters",
      "notes": "Covered pack content is CC0. Creator branding, third-party marks and bundled font licences are separate; no endorsement is implied."
    },
    "rights": {
      "sellGame": {
        "status": "allowed",
        "summary": "Covered pack artwork/audio may be used in a finished game you sell.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/toon-characters",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the official Toon Characters 1.0 download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-07"
      },
      "resellFiles": {
        "status": "allowed",
        "summary": "CC0 permits redistribution and sale of the covered pack artwork/audio.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/toon-characters",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the official Toon Characters 1.0 download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-07"
      },
      "template": {
        "status": "allowed",
        "summary": "Covered CC0 artwork/audio may be included in a reusable source/template product.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/toon-characters",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the official Toon Characters 1.0 download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-07"
      }
    },
    "formats": [
      "PNG",
      "SVG",
      "XML"
    ]
  },
  {
    "name": "UI Pack",
    "creator": "Kenney",
    "officialUrl": "https://kenney.nl/assets/ui-pack",
    "forgeUrl": "https://binxforge.com/resources/kenney-ui-pack",
    "licence": {
      "name": "CC0-1.0",
      "url": "https://kenney.nl/assets/ui-pack",
      "notes": "Covered pack content is CC0. Creator branding, third-party marks and bundled font licences are separate; no endorsement is implied."
    },
    "rights": {
      "sellGame": {
        "status": "allowed",
        "summary": "Covered pack artwork/audio may be used in a finished game you sell.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/ui-pack",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the selected official UI Pack download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06"
      },
      "resellFiles": {
        "status": "allowed",
        "summary": "CC0 permits redistribution and sale of the covered pack artwork/audio.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/ui-pack",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the selected official UI Pack download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06"
      },
      "template": {
        "status": "allowed",
        "summary": "Covered CC0 artwork/audio may be included in a reusable source/template product.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/ui-pack",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the selected official UI Pack download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06"
      }
    },
    "formats": [
      "OGG",
      "PNG",
      "SVG"
    ]
  },
  {
    "name": "howler.js",
    "creator": "GoldFire Studios / James Simpson",
    "officialUrl": "https://github.com/goldfire/howler.js",
    "forgeUrl": "https://binxforge.com/resources/howler-js",
    "licence": {
      "name": "MIT",
      "url": "https://github.com/goldfire/howler.js/blob/1d3053576a860e9854645493ad6c4a72c6cc6e45/LICENSE.md",
      "notes": "Scope is upstream code only. Preserve the linked licence; check every dependency and any distributed assets separately."
    },
    "rights": {
      "sellGame": {
        "status": "conditional",
        "summary": "Yes — conditions apply to the covered code in a finished game.",
        "scope": "Upstream howler.js code covered by MIT at source commit 1d3053576a860e9854645493ad6c4a72c6cc6e45; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/goldfire/howler.js",
          "https://github.com/goldfire/howler.js/blob/1d3053576a860e9854645493ad6c4a72c6cc6e45/LICENSE.md"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      },
      "resellFiles": {
        "status": "conditional",
        "summary": "Yes — conditions apply to copies of the covered upstream code.",
        "scope": "Upstream howler.js code covered by MIT at source commit 1d3053576a860e9854645493ad6c4a72c6cc6e45; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/goldfire/howler.js",
          "https://github.com/goldfire/howler.js/blob/1d3053576a860e9854645493ad6c4a72c6cc6e45/LICENSE.md"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      },
      "template": {
        "status": "conditional",
        "summary": "Yes — conditions apply to covered code in a source/template product.",
        "scope": "Upstream howler.js code covered by MIT at source commit 1d3053576a860e9854645493ad6c4a72c6cc6e45; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/goldfire/howler.js",
          "https://github.com/goldfire/howler.js/blob/1d3053576a860e9854645493ad6c4a72c6cc6e45/LICENSE.md"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      }
    },
    "formats": [
      "JavaScript"
    ]
  }
]
FULL STARTER BUILD — One two-player room with a short round; Server-owned token collection and score; Join, disconnect, reconnect and round reset
Respect the selected genres, themes, engine, platform, camera, dimensions and players below. Adapt the concept to those selections; they take precedence over default illustration or resource fit. When a quick milestone defers a selected feature, explicitly say what is deferred and preserve the selection for the next milestone. Do not silently replace it.
Acceptance: boot the actual target build, complete its stated loop, test input, collision, win/loss and restart; test two consecutive runs and platform-specific controls. For an existing project, inspect permitted files, establish a baseline and upgrade one working system. Report executed checks separately from unexecuted recommendations.

Game concept: concept: multiplayer-party · buildScope: full · camera: Top-down · route: Traditional game · genre: Party / Idle · dimension: 2D · theme: Stylised · engine: Other · players: Multiplayer · platform: Browser · budget: Free only · commercial: Yes · mode: free.
Open this build in BINX Forge: https://binxforge.com/build?concept=multiplayer-party&buildScope=full&camera=Top-down&inspiration=Not+chosen&route=Traditional+game&genre=Party+%2F+Idle&style=Not+sure&dimension=2D&theme=Stylised&engine=Other&players=Multiplayer&platform=Browser&budget=Free+only&commercial=Yes&requirements=Not+sure&subtype=Not+sure&combat=Not+sure&world=Not+sure&focus=Not+sure&mode=free&v=2

FIRST RESPONSE: provide a concrete starter plan from the selected choices and supplied resource facts now: the smallest playable loop, the relevant selected components with real Forge links, unresolved needs, and one reversible implementation/test step. Do not start with an intake questionnaire. Do not require an engine choice, repository or upload before giving that plan. Use the project context already available and inspect it if permitted. If no project is available, start with the supplied build facts and a small playable plan; do not stop at an upload request. Summarise what already works only when evidenced. Reuse, reskin and adapt those systems before replacing them or building from scratch. Prefer portable formats and FREE options; ask about engine only for an actual integration dependency. Custom/AI-built engines are first-class.

Source-reviewed shortlist (public facts only; not tested integrations):
[
  {
    "id": "kenney-input-prompts",
    "name": "Input Prompts",
    "creator": "Kenney",
    "need": "2d-assets",
    "cost": "free",
    "officialUrl": "https://kenney.nl/assets/input-prompts",
    "why": "Make controls easier to explain",
    "forgeUrl": "https://binxforge.com/resources/kenney-input-prompts",
    "dimensions": [
      "2D"
    ],
    "formats": [
      "PNG",
      "SVG"
    ],
    "licence": {
      "name": "CC0-1.0",
      "url": "https://kenney.nl/assets/input-prompts",
      "notes": "Covered pack content is CC0. Creator branding, third-party marks and bundled font licences are separate; no endorsement is implied."
    },
    "rights": {
      "sellGame": {
        "status": "allowed",
        "summary": "Covered pack artwork/audio may be used in a finished game you sell.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/input-prompts",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the selected official Input Prompts download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06"
      },
      "resellFiles": {
        "status": "allowed",
        "summary": "CC0 permits redistribution and sale of the covered pack artwork/audio.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/input-prompts",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the selected official Input Prompts download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06"
      },
      "template": {
        "status": "allowed",
        "summary": "Covered CC0 artwork/audio may be included in a reusable source/template product.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/input-prompts",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the selected official Input Prompts download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06"
      }
    },
    "scopedRights": [
      {
        "scope": "CC0 artwork/audio in the selected official Input Prompts download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06",
        "decisions": {
          "sell_finished_game": {
            "status": "allowed",
            "summary": "Covered pack artwork/audio may be used in a finished game you sell.",
            "conditions": [],
            "sources": [
              "https://kenney.nl/assets/input-prompts",
              "https://kenney.nl/support",
              "https://creativecommons.org/publicdomain/zero/1.0/"
            ],
            "scope": "CC0 artwork/audio in the selected official Input Prompts download; excludes creator branding, bundled fonts and third-party trademark rights",
            "checkedOn": "2026-10-06"
          },
          "resell_original_resource": {
            "status": "allowed",
            "summary": "CC0 permits redistribution and sale of the covered pack artwork/audio.",
            "conditions": [],
            "sources": [
              "https://kenney.nl/assets/input-prompts",
              "https://kenney.nl/support",
              "https://creativecommons.org/publicdomain/zero/1.0/"
            ],
            "scope": "CC0 artwork/audio in the selected official Input Prompts download; excludes creator branding, bundled fonts and third-party trademark rights",
            "checkedOn": "2026-10-06"
          },
          "redistribute_in_template": {
            "status": "allowed",
            "summary": "Covered CC0 artwork/audio may be included in a reusable source/template product.",
            "conditions": [],
            "sources": [
              "https://kenney.nl/assets/input-prompts",
              "https://kenney.nl/support",
              "https://creativecommons.org/publicdomain/zero/1.0/"
            ],
            "scope": "CC0 artwork/audio in the selected official Input Prompts download; excludes creator branding, bundled fonts and third-party trademark rights",
            "checkedOn": "2026-10-06"
          }
        }
      }
    ],
    "checkedOn": "2026-10-06",
    "limitations": [
      "These are prompt graphics, not an input-handling library.",
      "Do not distribute bundled font files through this research batch.",
      "No BINX performance or engine-import test has been run.",
      "Kenney permits asset use but reserves its logo for official studio projects.",
      "Commercial summaries cover the stated pack content, not trademarks, bundled fonts or your complete project. Test import, scale and performance in your own engine."
    ],
    "buildCautions": [],
    "plans": [
      {
        "name": "Free",
        "model": "free",
        "amount": 0,
        "currency": null,
        "basis": "selected download",
        "conditions": "",
        "includes": [
          "1500 files as listed by the publisher"
        ],
        "sourceUrl": "https://kenney.nl/assets/input-prompts",
        "checkedOn": "2026-10-06"
      }
    ],
    "selectionReason": "Source-reviewed fit; no measured quality gain claimed.",
    "fit": "Source-reviewed category match. Exact engine/version/platform/rig/theme compatibility still needs testing.",
    "applicability": {
      "needs": null,
      "genres": null,
      "platforms": null,
      "integration": null,
      "codeStarter": null
    }
  },
  {
    "id": "kenney-ui-pack",
    "name": "UI Pack",
    "creator": "Kenney",
    "need": "2d-assets",
    "cost": "free",
    "officialUrl": "https://kenney.nl/assets/ui-pack",
    "why": "Replace mismatched UI art",
    "forgeUrl": "https://binxforge.com/resources/kenney-ui-pack",
    "dimensions": [
      "2D"
    ],
    "formats": [
      "OGG",
      "PNG",
      "SVG"
    ],
    "licence": {
      "name": "CC0-1.0",
      "url": "https://kenney.nl/assets/ui-pack",
      "notes": "Covered pack content is CC0. Creator branding, third-party marks and bundled font licences are separate; no endorsement is implied."
    },
    "rights": {
      "sellGame": {
        "status": "allowed",
        "summary": "Covered pack artwork/audio may be used in a finished game you sell.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/ui-pack",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the selected official UI Pack download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06"
      },
      "resellFiles": {
        "status": "allowed",
        "summary": "CC0 permits redistribution and sale of the covered pack artwork/audio.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/ui-pack",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the selected official UI Pack download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06"
      },
      "template": {
        "status": "allowed",
        "summary": "Covered CC0 artwork/audio may be included in a reusable source/template product.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/ui-pack",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the selected official UI Pack download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06"
      }
    },
    "scopedRights": [
      {
        "scope": "CC0 artwork/audio in the selected official UI Pack download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06",
        "decisions": {
          "sell_finished_game": {
            "status": "allowed",
            "summary": "Covered pack artwork/audio may be used in a finished game you sell.",
            "conditions": [],
            "sources": [
              "https://kenney.nl/assets/ui-pack",
              "https://kenney.nl/support",
              "https://creativecommons.org/publicdomain/zero/1.0/"
            ],
            "scope": "CC0 artwork/audio in the selected official UI Pack download; excludes creator branding, bundled fonts and third-party trademark rights",
            "checkedOn": "2026-10-06"
          },
          "resell_original_resource": {
            "status": "allowed",
            "summary": "CC0 permits redistribution and sale of the covered pack artwork/audio.",
            "conditions": [],
            "sources": [
              "https://kenney.nl/assets/ui-pack",
              "https://kenney.nl/support",
              "https://creativecommons.org/publicdomain/zero/1.0/"
            ],
            "scope": "CC0 artwork/audio in the selected official UI Pack download; excludes creator branding, bundled fonts and third-party trademark rights",
            "checkedOn": "2026-10-06"
          },
          "redistribute_in_template": {
            "status": "allowed",
            "summary": "Covered CC0 artwork/audio may be included in a reusable source/template product.",
            "conditions": [],
            "sources": [
              "https://kenney.nl/assets/ui-pack",
              "https://kenney.nl/support",
              "https://creativecommons.org/publicdomain/zero/1.0/"
            ],
            "scope": "CC0 artwork/audio in the selected official UI Pack download; excludes creator branding, bundled fonts and third-party trademark rights",
            "checkedOn": "2026-10-06"
          }
        }
      }
    ],
    "checkedOn": "2026-10-06",
    "limitations": [
      "Use the current remade pack; older summaries may describe different files.",
      "No BINX performance or engine-import test has been run.",
      "Kenney permits asset use but reserves its logo for official studio projects.",
      "Commercial summaries cover the stated pack content, not trademarks, bundled fonts or your complete project. Test import, scale and performance in your own engine."
    ],
    "buildCautions": [],
    "plans": [
      {
        "name": "Free",
        "model": "free",
        "amount": 0,
        "currency": null,
        "basis": "selected download",
        "conditions": "",
        "includes": [
          "430 files as listed by the publisher"
        ],
        "sourceUrl": "https://kenney.nl/assets/ui-pack",
        "checkedOn": "2026-10-06"
      }
    ],
    "selectionReason": "Source-reviewed fit; no measured quality gain claimed.",
    "fit": "Source-reviewed category match. Exact engine/version/platform/rig/theme compatibility still needs testing.",
    "applicability": {
      "needs": null,
      "genres": null,
      "platforms": null,
      "integration": null,
      "codeStarter": null
    }
  },
  {
    "id": "kenney-interface-sounds",
    "name": "Interface Sounds",
    "creator": "Kenney",
    "need": "ui",
    "cost": "free",
    "officialUrl": "https://kenney.nl/assets/interface-sounds",
    "why": "Add audible menu feedback",
    "forgeUrl": "https://binxforge.com/resources/kenney-interface-sounds",
    "dimensions": [],
    "formats": [
      "OGG"
    ],
    "licence": {
      "name": "CC0-1.0",
      "url": "https://kenney.nl/assets/interface-sounds",
      "notes": "Covered pack content is CC0. Creator branding, third-party marks and bundled font licences are separate; no endorsement is implied."
    },
    "rights": {
      "sellGame": {
        "status": "allowed",
        "summary": "Covered pack artwork/audio may be used in a finished game you sell.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/interface-sounds",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the selected official Interface Sounds download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06"
      },
      "resellFiles": {
        "status": "allowed",
        "summary": "CC0 permits redistribution and sale of the covered pack artwork/audio.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/interface-sounds",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the selected official Interface Sounds download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06"
      },
      "template": {
        "status": "allowed",
        "summary": "Covered CC0 artwork/audio may be included in a reusable source/template product.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/interface-sounds",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the selected official Interface Sounds download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06"
      }
    },
    "scopedRights": [
      {
        "scope": "CC0 artwork/audio in the selected official Interface Sounds download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06",
        "decisions": {
          "sell_finished_game": {
            "status": "allowed",
            "summary": "Covered pack artwork/audio may be used in a finished game you sell.",
            "conditions": [],
            "sources": [
              "https://kenney.nl/assets/interface-sounds",
              "https://kenney.nl/support",
              "https://creativecommons.org/publicdomain/zero/1.0/"
            ],
            "scope": "CC0 artwork/audio in the selected official Interface Sounds download; excludes creator branding, bundled fonts and third-party trademark rights",
            "checkedOn": "2026-10-06"
          },
          "resell_original_resource": {
            "status": "allowed",
            "summary": "CC0 permits redistribution and sale of the covered pack artwork/audio.",
            "conditions": [],
            "sources": [
              "https://kenney.nl/assets/interface-sounds",
              "https://kenney.nl/support",
              "https://creativecommons.org/publicdomain/zero/1.0/"
            ],
            "scope": "CC0 artwork/audio in the selected official Interface Sounds download; excludes creator branding, bundled fonts and third-party trademark rights",
            "checkedOn": "2026-10-06"
          },
          "redistribute_in_template": {
            "status": "allowed",
            "summary": "Covered CC0 artwork/audio may be included in a reusable source/template product.",
            "conditions": [],
            "sources": [
              "https://kenney.nl/assets/interface-sounds",
              "https://kenney.nl/support",
              "https://creativecommons.org/publicdomain/zero/1.0/"
            ],
            "scope": "CC0 artwork/audio in the selected official Interface Sounds download; excludes creator branding, bundled fonts and third-party trademark rights",
            "checkedOn": "2026-10-06"
          }
        }
      }
    ],
    "checkedOn": "2026-10-06",
    "limitations": [
      "Requires an audio playback system; this is not an audio engine.",
      "No BINX performance or engine-import test has been run.",
      "Kenney permits asset use but reserves its logo for official studio projects.",
      "Commercial summaries cover the stated pack content, not trademarks, bundled fonts or your complete project. Test import, scale and performance in your own engine."
    ],
    "buildCautions": [],
    "plans": [
      {
        "name": "Free",
        "model": "free",
        "amount": 0,
        "currency": null,
        "basis": "selected download",
        "conditions": "",
        "includes": [
          "100 files as listed by the publisher"
        ],
        "sourceUrl": "https://kenney.nl/assets/interface-sounds",
        "checkedOn": "2026-10-06"
      }
    ],
    "selectionReason": "Source-reviewed fit; no measured quality gain claimed.",
    "fit": "Source-reviewed category match. Exact engine/version/platform/rig/theme compatibility still needs testing.",
    "applicability": {
      "needs": null,
      "genres": null,
      "platforms": null,
      "integration": null,
      "codeStarter": null
    }
  },
  {
    "id": "kenney-impact-sounds",
    "name": "Impact Sounds",
    "creator": "Kenney",
    "need": "audio",
    "cost": "free",
    "officialUrl": "https://kenney.nl/assets/impact-sounds",
    "why": "Add footsteps and material impact feedback",
    "forgeUrl": "https://binxforge.com/resources/kenney-impact-sounds",
    "dimensions": [],
    "formats": [
      "OGG"
    ],
    "licence": {
      "name": "CC0-1.0",
      "url": "https://kenney.nl/assets/impact-sounds",
      "notes": "Covered pack content is CC0. Creator branding, third-party marks and bundled font licences are separate; no endorsement is implied."
    },
    "rights": {
      "sellGame": {
        "status": "allowed",
        "summary": "Covered pack artwork/audio may be used in a finished game you sell.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/impact-sounds",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the official Impact Sounds 1.0 download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-07"
      },
      "resellFiles": {
        "status": "allowed",
        "summary": "CC0 permits redistribution and sale of the covered pack artwork/audio.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/impact-sounds",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the official Impact Sounds 1.0 download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-07"
      },
      "template": {
        "status": "allowed",
        "summary": "Covered CC0 artwork/audio may be included in a reusable source/template product.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/impact-sounds",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the official Impact Sounds 1.0 download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-07"
      }
    },
    "scopedRights": [
      {
        "scope": "CC0 artwork/audio in the official Impact Sounds 1.0 download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-07",
        "decisions": {
          "sell_finished_game": {
            "status": "allowed",
            "summary": "Covered pack artwork/audio may be used in a finished game you sell.",
            "conditions": [],
            "sources": [
              "https://kenney.nl/assets/impact-sounds",
              "https://kenney.nl/support",
              "https://creativecommons.org/publicdomain/zero/1.0/"
            ],
            "scope": "CC0 artwork/audio in the official Impact Sounds 1.0 download; excludes creator branding, bundled fonts and third-party trademark rights",
            "checkedOn": "2026-10-07"
          },
          "resell_original_resource": {
            "status": "allowed",
            "summary": "CC0 permits redistribution and sale of the covered pack artwork/audio.",
            "conditions": [],
            "sources": [
              "https://kenney.nl/assets/impact-sounds",
              "https://kenney.nl/support",
              "https://creativecommons.org/publicdomain/zero/1.0/"
            ],
            "scope": "CC0 artwork/audio in the official Impact Sounds 1.0 download; excludes creator branding, bundled fonts and third-party trademark rights",
            "checkedOn": "2026-10-07"
          },
          "redistribute_in_template": {
            "status": "allowed",
            "summary": "Covered CC0 artwork/audio may be included in a reusable source/template product.",
            "conditions": [],
            "sources": [
              "https://kenney.nl/assets/impact-sounds",
              "https://kenney.nl/support",
              "https://creativecommons.org/publicdomain/zero/1.0/"
            ],
            "scope": "CC0 artwork/audio in the official Impact Sounds 1.0 download; excludes creator branding, bundled fonts and third-party trademark rights",
            "checkedOn": "2026-10-07"
          }
        }
      }
    ],
    "checkedOn": "2026-10-07",
    "limitations": [
      "Requires your own audio playback and event integration; this is not an audio engine.",
      "No music, vehicle engine loop or ambient soundscape is evidenced by this pack.",
      "No BINX engine-import, playback or performance test has been run.",
      "Commercial summaries cover exact CC0 pack content; creator branding, bundled fonts, third-party marks and your complete project need separate checks."
    ],
    "buildCautions": [],
    "plans": [
      {
        "name": "Free",
        "model": "free",
        "amount": 0,
        "currency": null,
        "basis": "selected official 1.0 download",
        "conditions": "",
        "includes": [
          "130 OGG audio files inspected",
          "25 footsteps across carpet, concrete, grass, snow and wood",
          "105 impact sounds across material and weight variants"
        ],
        "sourceUrl": "https://kenney.nl/assets/impact-sounds",
        "checkedOn": "2026-10-07"
      }
    ],
    "selectionReason": "Source-reviewed fit; no measured quality gain claimed.",
    "fit": "Source-reviewed category match. Exact engine/version/platform/rig/theme compatibility still needs testing.",
    "applicability": {
      "needs": [
        "audio"
      ],
      "genres": null,
      "platforms": null,
      "integration": null,
      "codeStarter": null
    }
  },
  {
    "id": "howler-js",
    "name": "howler.js",
    "creator": "GoldFire Studios / James Simpson",
    "need": "audio",
    "cost": "free",
    "officialUrl": "https://github.com/goldfire/howler.js",
    "why": "Reuse browser audio playback and unlock handling instead of rebuilding them.",
    "forgeUrl": "https://binxforge.com/resources/howler-js",
    "dimensions": [
      "2D",
      "3D"
    ],
    "formats": [
      "JavaScript"
    ],
    "licence": {
      "name": "MIT",
      "url": "https://github.com/goldfire/howler.js/blob/1d3053576a860e9854645493ad6c4a72c6cc6e45/LICENSE.md",
      "notes": "Scope is upstream code only. Preserve the linked licence; check every dependency and any distributed assets separately."
    },
    "rights": {
      "sellGame": {
        "status": "conditional",
        "summary": "Yes — conditions apply to the covered code in a finished game.",
        "scope": "Upstream howler.js code covered by MIT at source commit 1d3053576a860e9854645493ad6c4a72c6cc6e45; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/goldfire/howler.js",
          "https://github.com/goldfire/howler.js/blob/1d3053576a860e9854645493ad6c4a72c6cc6e45/LICENSE.md"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      },
      "resellFiles": {
        "status": "conditional",
        "summary": "Yes — conditions apply to copies of the covered upstream code.",
        "scope": "Upstream howler.js code covered by MIT at source commit 1d3053576a860e9854645493ad6c4a72c6cc6e45; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/goldfire/howler.js",
          "https://github.com/goldfire/howler.js/blob/1d3053576a860e9854645493ad6c4a72c6cc6e45/LICENSE.md"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      },
      "template": {
        "status": "conditional",
        "summary": "Yes — conditions apply to covered code in a source/template product.",
        "scope": "Upstream howler.js code covered by MIT at source commit 1d3053576a860e9854645493ad6c4a72c6cc6e45; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/goldfire/howler.js",
          "https://github.com/goldfire/howler.js/blob/1d3053576a860e9854645493ad6c4a72c6cc6e45/LICENSE.md"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      }
    },
    "scopedRights": [
      {
        "scope": "Upstream howler.js code covered by MIT at source commit 1d3053576a860e9854645493ad6c4a72c6cc6e45; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "checkedOn": "2026-10-07",
        "decisions": {
          "sell_finished_game": {
            "status": "conditional",
            "summary": "Yes — conditions apply to the covered code in a finished game.",
            "scope": "Upstream howler.js code covered by MIT at source commit 1d3053576a860e9854645493ad6c4a72c6cc6e45; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
            "sources": [
              "https://github.com/goldfire/howler.js",
              "https://github.com/goldfire/howler.js/blob/1d3053576a860e9854645493ad6c4a72c6cc6e45/LICENSE.md"
            ],
            "conditions": [
              "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
            ],
            "checkedOn": "2026-10-07"
          },
          "resell_original_resource": {
            "status": "conditional",
            "summary": "Yes — conditions apply to copies of the covered upstream code.",
            "scope": "Upstream howler.js code covered by MIT at source commit 1d3053576a860e9854645493ad6c4a72c6cc6e45; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
            "sources": [
              "https://github.com/goldfire/howler.js",
              "https://github.com/goldfire/howler.js/blob/1d3053576a860e9854645493ad6c4a72c6cc6e45/LICENSE.md"
            ],
            "conditions": [
              "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
            ],
            "checkedOn": "2026-10-07"
          },
          "redistribute_in_template": {
            "status": "conditional",
            "summary": "Yes — conditions apply to covered code in a source/template product.",
            "scope": "Upstream howler.js code covered by MIT at source commit 1d3053576a860e9854645493ad6c4a72c6cc6e45; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
            "sources": [
              "https://github.com/goldfire/howler.js",
              "https://github.com/goldfire/howler.js/blob/1d3053576a860e9854645493ad6c4a72c6cc6e45/LICENSE.md"
            ],
            "conditions": [
              "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
            ],
            "checkedOn": "2026-10-07"
          }
        }
      }
    ],
    "checkedOn": "2026-10-07",
    "limitations": [
      "This is playback code, not a sound/music asset pack; licence each recording separately.",
      "Native desktop/mobile engine integrations are not established. Browser playback may require a user gesture.",
      "Latest inspected stable release is v2.2.4 (2023); repository activity continued in 2025."
    ],
    "buildCautions": [],
    "plans": [
      {
        "name": "Open-source core",
        "model": "free",
        "amount": 0,
        "currency": null,
        "basis": "upstream code; hosting/integration excluded",
        "conditions": "This is playback code, not a sound/music asset pack; licence each recording separately. Native desktop/mobile engine integrations are not established. Browser playback may require a user gesture. Latest inspected stable release is v2.2.4 (2023); repository activity continued in 2025.",
        "includes": [
          "Web Audio with HTML5 Audio fallback",
          "Sound sprites, volume/fades and spatial/stereo playback"
        ],
        "sourceUrl": "https://github.com/goldfire/howler.js",
        "checkedOn": "2026-10-07"
      }
    ],
    "selectionReason": "Source-reviewed fit; no measured quality gain claimed.",
    "fit": "Source-reviewed category match. Exact engine/version/platform/rig/theme compatibility still needs testing.",
    "applicability": {
      "needs": [
        "audio"
      ],
      "genres": null,
      "platforms": [
        "Browser"
      ],
      "integration": null,
      "codeStarter": {
        "engines": [
          "Other"
        ],
        "language": "Browser JavaScript",
        "testScope": "One deliberate-click playback and missing-file failure in Chromium. No physical audibility or Safari/iOS certification."
      }
    }
  },
  {
    "id": "colyseus",
    "name": "Colyseus",
    "creator": "Endel Dreyer / Colyseus contributors",
    "need": "multiplayer",
    "cost": "free",
    "officialUrl": "https://github.com/colyseus/colyseus",
    "why": "Prototype a shared room with existing state-sync infrastructure before custom-building netcode.",
    "forgeUrl": "https://binxforge.com/resources/colyseus",
    "dimensions": [
      "2D",
      "3D"
    ],
    "formats": [
      "TypeScript",
      "JavaScript",
      "Client SDKs"
    ],
    "licence": {
      "name": "MIT",
      "url": "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE",
      "notes": "Scope is upstream code only. Preserve the linked licence; check every dependency and any distributed assets separately."
    },
    "rights": {
      "sellGame": {
        "status": "conditional",
        "summary": "Yes — conditions apply to the covered code in a finished game.",
        "scope": "Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/colyseus/colyseus",
          "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      },
      "resellFiles": {
        "status": "conditional",
        "summary": "Yes — conditions apply to copies of the covered upstream code.",
        "scope": "Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/colyseus/colyseus",
          "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      },
      "template": {
        "status": "conditional",
        "summary": "Yes — conditions apply to covered code in a source/template product.",
        "scope": "Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/colyseus/colyseus",
          "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      }
    },
    "scopedRights": [
      {
        "scope": "Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "checkedOn": "2026-10-07",
        "decisions": {
          "sell_finished_game": {
            "status": "conditional",
            "summary": "Yes — conditions apply to the covered code in a finished game.",
            "scope": "Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
            "sources": [
              "https://github.com/colyseus/colyseus",
              "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"
            ],
            "conditions": [
              "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
            ],
            "checkedOn": "2026-10-07"
          },
          "resell_original_resource": {
            "status": "conditional",
            "summary": "Yes — conditions apply to copies of the covered upstream code.",
            "scope": "Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
            "sources": [
              "https://github.com/colyseus/colyseus",
              "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"
            ],
            "conditions": [
              "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
            ],
            "checkedOn": "2026-10-07"
          },
          "redistribute_in_template": {
            "status": "conditional",
            "summary": "Yes — conditions apply to covered code in a source/template product.",
            "scope": "Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
            "sources": [
              "https://github.com/colyseus/colyseus",
              "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"
            ],
            "conditions": [
              "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
            ],
            "checkedOn": "2026-10-07"
          }
        }
      }
    ],
    "checkedOn": "2026-10-07",
    "limitations": [
      "Open-source server code is £0; hosting, bandwidth, operations and optional managed Cloud are separate costs.",
      "Match client/server versions and verify the selected engine SDK and its own licence.",
      "Not a complete game, authentication service, anti-cheat guarantee or deployed dedicated server."
    ],
    "buildCautions": [],
    "plans": [
      {
        "name": "Open-source core",
        "model": "free",
        "amount": 0,
        "currency": null,
        "basis": "upstream code; hosting/integration excluded",
        "conditions": "Open-source server code is £0; hosting, bandwidth, operations and optional managed Cloud are separate costs. Match client/server versions and verify the selected engine SDK and its own licence. Not a complete game, authentication service, anti-cheat guarantee or deployed dedicated server.",
        "includes": [
          "Server-authoritative rooms and state synchronisation",
          "Room matchmaking/reconnection primitives and separately versioned client SDKs"
        ],
        "sourceUrl": "https://github.com/colyseus/colyseus",
        "checkedOn": "2026-10-07"
      }
    ],
    "selectionReason": "Source-reviewed fit; no measured quality gain claimed.",
    "fit": "Source-reviewed category match. Exact engine/version/platform/rig/theme compatibility still needs testing.",
    "applicability": {
      "needs": [
        "multiplayer",
        "networking",
        "servers-backend"
      ],
      "genres": null,
      "platforms": null,
      "integration": null,
      "codeStarter": {
        "engines": [
          "Other"
        ],
        "language": "Node server + JavaScript client",
        "testScope": "Two isolated local clients, room join and validated ping/pong. Not a production multiplayer acceptance test."
      }
    }
  },
  {
    "id": "kenney-particle-pack",
    "name": "Particle Pack",
    "creator": "Kenney",
    "need": "vfx",
    "cost": "free",
    "officialUrl": "https://kenney.nl/assets/particle-pack",
    "why": "Replace placeholder particle art",
    "forgeUrl": "https://binxforge.com/resources/kenney-particle-pack",
    "dimensions": [
      "2D"
    ],
    "formats": [
      "PNG"
    ],
    "licence": {
      "name": "CC0-1.0",
      "url": "https://kenney.nl/assets/particle-pack",
      "notes": "Covered pack content is CC0. Creator branding, third-party marks and bundled font licences are separate; no endorsement is implied."
    },
    "rights": {
      "sellGame": {
        "status": "allowed",
        "summary": "Covered pack artwork/audio may be used in a finished game you sell.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/particle-pack",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the selected official Particle Pack download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06"
      },
      "resellFiles": {
        "status": "allowed",
        "summary": "CC0 permits redistribution and sale of the covered pack artwork/audio.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/particle-pack",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the selected official Particle Pack download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06"
      },
      "template": {
        "status": "allowed",
        "summary": "Covered CC0 artwork/audio may be included in a reusable source/template product.",
        "conditions": [],
        "sources": [
          "https://kenney.nl/assets/particle-pack",
          "https://kenney.nl/support",
          "https://creativecommons.org/publicdomain/zero/1.0/"
        ],
        "scope": "CC0 artwork/audio in the selected official Particle Pack download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06"
      }
    },
    "scopedRights": [
      {
        "scope": "CC0 artwork/audio in the selected official Particle Pack download; excludes creator branding, bundled fonts and third-party trademark rights",
        "checkedOn": "2026-10-06",
        "decisions": {
          "sell_finished_game": {
            "status": "allowed",
            "summary": "Covered pack artwork/audio may be used in a finished game you sell.",
            "conditions": [],
            "sources": [
              "https://kenney.nl/assets/particle-pack",
              "https://kenney.nl/support",
              "https://creativecommons.org/publicdomain/zero/1.0/"
            ],
            "scope": "CC0 artwork/audio in the selected official Particle Pack download; excludes creator branding, bundled fonts and third-party trademark rights",
            "checkedOn": "2026-10-06"
          },
          "resell_original_resource": {
            "status": "allowed",
            "summary": "CC0 permits redistribution and sale of the covered pack artwork/audio.",
            "conditions": [],
            "sources": [
              "https://kenney.nl/assets/particle-pack",
              "https://kenney.nl/support",
              "https://creativecommons.org/publicdomain/zero/1.0/"
            ],
            "scope": "CC0 artwork/audio in the selected official Particle Pack download; excludes creator branding, bundled fonts and third-party trademark rights",
            "checkedOn": "2026-10-06"
          },
          "redistribute_in_template": {
            "status": "allowed",
            "summary": "Covered CC0 artwork/audio may be included in a reusable source/template product.",
            "conditions": [],
            "sources": [
              "https://kenney.nl/assets/particle-pack",
              "https://kenney.nl/support",
              "https://creativecommons.org/publicdomain/zero/1.0/"
            ],
            "scope": "CC0 artwork/audio in the selected official Particle Pack download; excludes creator branding, bundled fonts and third-party trademark rights",
            "checkedOn": "2026-10-06"
          }
        }
      }
    ],
    "checkedOn": "2026-10-06",
    "limitations": [
      "A renderer/emitter and gameplay integration are still required.",
      "No BINX performance or engine-import test has been run.",
      "Kenney permits asset use but reserves its logo for official studio projects.",
      "Commercial summaries cover the stated pack content, not trademarks, bundled fonts or your complete project. Test import, scale and performance in your own engine."
    ],
    "buildCautions": [],
    "plans": [
      {
        "name": "Free",
        "model": "free",
        "amount": 0,
        "currency": null,
        "basis": "selected download",
        "conditions": "",
        "includes": [
          "80 files as listed by the publisher"
        ],
        "sourceUrl": "https://kenney.nl/assets/particle-pack",
        "checkedOn": "2026-10-06"
      }
    ],
    "selectionReason": "Source-reviewed fit; no measured quality gain claimed.",
    "fit": "Source-reviewed category match. Exact engine/version/platform/rig/theme compatibility still needs testing.",
    "applicability": {
      "needs": null,
      "genres": null,
      "platforms": null,
      "integration": null,
      "codeStarter": null
    }
  }
]

Selected FREE starter code (library setup still required; retain every notice):
[
  {
    "name": "howler.js",
    "kind": "starter-integration",
    "language": "Browser JavaScript",
    "engines": [
      "Other"
    ],
    "checkedOn": "2026-10-07",
    "officialUrl": "https://github.com/goldfire/howler.js",
    "sourceUrls": [
      "https://github.com/goldfire/howler.js/tree/v2.2.4",
      "https://github.com/goldfire/howler.js/blob/v2.2.4/README.md"
    ],
    "setup": [
      "npm install --save-exact howler@2.2.4"
    ],
    "requires": [
      "An existing browser bundler, button and status element.",
      "A separately permitted audio URL; this code does not include audio files."
    ],
    "testScope": "One deliberate-click playback and missing-file failure in Chromium. No physical audibility or Safari/iOS certification.",
    "files": [
      {
        "filename": "howler.js",
        "sha256": "cfe744ed9c9703848bf4a1a0e9a97b367c49c1bc52cd7eef4910bbfe3ce5df5e",
        "code": "// BINX Forge original starter; MIT. Howler 2.2.4 must already be installed.\nimport { Howl } from 'howler';\nexport function connectActionSound(button, status, audioUrl) {\n  button.disabled = true;\n  const sound = new Howl({src: [audioUrl], volume: 0.25,\n    onload: () => { button.disabled = false; status.textContent = 'Ready.'; },\n    onloaderror: () => { button.disabled = true; status.textContent = 'Audio could not load.'; },\n    onplayerror: () => { status.textContent = 'Playback blocked; check browser audio settings.'; }\n  });\n  const play = () => { sound.play(); };\n  const played = () => { status.textContent = 'Playback started.'; };\n  sound.on('play', played);\n  button.addEventListener('click', play);\n  return () => { button.removeEventListener('click', play); sound.unload(); };\n}\n// Call with your existing button/status and a separately permitted audio URL.\n// No automatic playback. A library does not supply licensed audio files.\n"
      }
    ],
    "notices": [
      {
        "filename": "code-starters/LICENSE-MIT.txt",
        "sha256": "8622d068bf09c4fe672eef23f0975d93b4d74cf20ff43f4e4e4849421fc53ff4",
        "text": "Copyright (c) 2026 BINX Forge\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in\nall copies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\nTHE SOFTWARE.\n"
      },
      {
        "filename": "docs/licences/howler-2-2-4-mit.txt",
        "sha256": "0ad5aef7beeb552832fe01db1c46933f948dfe5da35017bd0efa0006ffd2ced9",
        "text": "Copyright (c) 2013-2020 James Simpson and GoldFire Studios, Inc.\n\nPermission is hereby granted, free of charge, to any person obtaining\na copy of this software and associated documentation files (the\n\"Software\"), to deal in the Software without restriction, including\nwithout limitation the rights to use, copy, modify, merge, publish,\ndistribute, sublicense, and/or sell copies of the Software, and to\npermit persons to whom the Software is furnished to do so, subject to\nthe following conditions:\n\nThe above copyright notice and this permission notice shall be\nincluded in all copies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\nEXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\nMERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\nNONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE\nLIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION\nOF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\nWITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE."
      }
    ],
    "licence": {
      "name": "MIT",
      "url": "https://github.com/goldfire/howler.js/blob/1d3053576a860e9854645493ad6c4a72c6cc6e45/LICENSE.md",
      "notes": "Scope is upstream code only. Preserve the linked licence; check every dependency and any distributed assets separately."
    },
    "rights": {
      "sellGame": {
        "status": "conditional",
        "summary": "Yes — conditions apply to the covered code in a finished game.",
        "scope": "Upstream howler.js code covered by MIT at source commit 1d3053576a860e9854645493ad6c4a72c6cc6e45; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/goldfire/howler.js",
          "https://github.com/goldfire/howler.js/blob/1d3053576a860e9854645493ad6c4a72c6cc6e45/LICENSE.md"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      },
      "resellFiles": {
        "status": "conditional",
        "summary": "Yes — conditions apply to copies of the covered upstream code.",
        "scope": "Upstream howler.js code covered by MIT at source commit 1d3053576a860e9854645493ad6c4a72c6cc6e45; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/goldfire/howler.js",
          "https://github.com/goldfire/howler.js/blob/1d3053576a860e9854645493ad6c4a72c6cc6e45/LICENSE.md"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      },
      "template": {
        "status": "conditional",
        "summary": "Yes — conditions apply to covered code in a source/template product.",
        "scope": "Upstream howler.js code covered by MIT at source commit 1d3053576a860e9854645493ad6c4a72c6cc6e45; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/goldfire/howler.js",
          "https://github.com/goldfire/howler.js/blob/1d3053576a860e9854645493ad6c4a72c6cc6e45/LICENSE.md"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      }
    }
  },
  {
    "name": "Colyseus",
    "kind": "starter-integration",
    "language": "Node server + JavaScript client",
    "engines": [
      "Other"
    ],
    "checkedOn": "2026-10-07",
    "officialUrl": "https://github.com/colyseus/colyseus",
    "sourceUrls": [
      "https://docs.colyseus.io/server",
      "https://docs.colyseus.io/room",
      "https://github.com/colyseus/colyseus/tree/74c7f66e7261fd7d333ab760ed235d918c7bd1fa"
    ],
    "setup": [
      "npm install --save-exact colyseus@0.18.9 @colyseus/sdk@0.18.5"
    ],
    "requires": [
      "Run the server locally before connecting clients.",
      "A ping/pong connection test, not game state, auth, matchmaking policy, reconnect or production hosting."
    ],
    "testScope": "Two isolated local clients, room join and validated ping/pong. Not a production multiplayer acceptance test.",
    "files": [
      {
        "filename": "colyseus-server.mjs",
        "sha256": "1548626794bdf803f4b7d1158211746eaae2d939a639908504b5dfd18fdb3888",
        "code": "// BINX Forge original starter; MIT. Install colyseus 0.18.9.\nimport { Room, defineServer, defineRoom } from 'colyseus';\nexport class StarterRoom extends Room {\n  maxClients = 4;\n  onCreate() {\n    this.onMessage('ping', (client, payload) => {\n      if (!payload || !Number.isSafeInteger(payload.id) || payload.id < 0) return;\n      client.send('pong', { id: payload.id });\n    });\n  }\n}\nexport function createStarterServer() {\n  return defineServer({ rooms: { starter: defineRoom(StarterRoom) }, greet: false });\n}\n// Local probe: await createStarterServer().listen(2567, '127.0.0.1');\n// Connection/message starter only, not auth, game-state sync, reconnect or deployment.\n"
      },
      {
        "filename": "colyseus-client.mjs",
        "sha256": "15e3f0b4af40657073f656d2fabaafb29832eb991afc1f3c229ed284f7c2cae6",
        "code": "// BINX Forge original starter; MIT. Install @colyseus/sdk 0.18.5.\nimport { Client } from '@colyseus/sdk';\nexport async function connectStarter(endpoint = 'http://127.0.0.1:2567') {\n  const client = new Client(endpoint);\n  const room = await client.joinOrCreate('starter');\n  return room;\n}\n// Register room.onMessage('pong', handler), then room.send('ping', {id: 1}).\n// When leaving, await room.leave(). Use HTTPS/WSS on a real deployment.\n"
      }
    ],
    "notices": [
      {
        "filename": "code-starters/LICENSE-MIT.txt",
        "sha256": "8622d068bf09c4fe672eef23f0975d93b4d74cf20ff43f4e4e4849421fc53ff4",
        "text": "Copyright (c) 2026 BINX Forge\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in\nall copies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\nTHE SOFTWARE.\n"
      },
      {
        "filename": "docs/licences/colyseus-0-18-9-mit.txt",
        "sha256": "58f5d8920f8d425a9eec9e8cb07f9d0ac5ac08d2aba15f98270c0caddb9de3e4",
        "text": "Copyright (c) 2015-2026 Endel Dreyer\n\nMIT License:\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in\nall copies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\nTHE SOFTWARE.\n"
      },
      {
        "filename": "docs/licences/colyseus-sdk-0-18-5-mit.txt",
        "sha256": "58f5d8920f8d425a9eec9e8cb07f9d0ac5ac08d2aba15f98270c0caddb9de3e4",
        "text": "Copyright (c) 2015-2026 Endel Dreyer\n\nMIT License:\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in\nall copies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\nTHE SOFTWARE.\n"
      }
    ],
    "licence": {
      "name": "MIT",
      "url": "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE",
      "notes": "Scope is upstream code only. Preserve the linked licence; check every dependency and any distributed assets separately."
    },
    "rights": {
      "sellGame": {
        "status": "conditional",
        "summary": "Yes — conditions apply to the covered code in a finished game.",
        "scope": "Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/colyseus/colyseus",
          "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      },
      "resellFiles": {
        "status": "conditional",
        "summary": "Yes — conditions apply to copies of the covered upstream code.",
        "scope": "Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/colyseus/colyseus",
          "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      },
      "template": {
        "status": "conditional",
        "summary": "Yes — conditions apply to covered code in a source/template product.",
        "scope": "Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.",
        "sources": [
          "https://github.com/colyseus/colyseus",
          "https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"
        ],
        "conditions": [
          "Retain the copyright and MIT permission notice in copies or substantial portions of the software."
        ],
        "checkedOn": "2026-10-07"
      }
    }
  }
]

Recommended implementation order:
1. Party / Idle playable loop: Test growth, one upgrade, elapsed-time bounds and saved progress.
2. Add a small art set: Check scale, file format, style and the exact licence before importing.
3. Make the controls readable: Build one menu and clear feedback; test keyboard, touch and accessible contrast.
4. Add a few useful sounds: Try permitted sounds for actions and feedback before adding a complete soundtrack.
5. Keep player progress: Test save, reload, invalid data and version changes.
6. Test and prepare the build: Check a full player journey, performance, accessibility and the target platform build.
7. Prototype the shared interaction: Check ownership, synchronisation, reconnect and server authority before scaling.
8. Plan shared state: Decide what must live on a server and protect player data.
9. More options for your engine: Check the exact engine/version before adding a plugin or system.
10. VFX / impact: Add one readable feedback effect; check performance.

If a need has no selected resource, say it is unresolved and propose a small licence-safe starter approach; never invent a compatible pack. Test one playable loop first. Check the actual platform, dimensions, format, scale, rig, dependencies and version. Keep changes reversible and test each step.
For Best of Both, keep Free unless a specific documented gain justifies spending; explain every paid inclusion and total cost from current evidence. Expensive is not automatically better. Show Best Free and Best Value. Never invent percentages; use a stated baseline and evidence or qualitative wording.
Make it yours:
Input Prompts: Choose a consistent colour palette and readable layout. Combine buttons/icons with your own labels; test touch size and contrast.
UI Pack: Choose a consistent colour palette and readable layout. Combine buttons/icons with your own labels; test touch size and contrast.
Interface Sounds: Trim and mix a small set of cues for your actions. Adjust levels and timing so effects are clear without overwhelming the player.
Impact Sounds: Trim and mix a small set of cues for your actions. Adjust levels and timing so effects are clear without overwhelming the player.
howler.js: Use your separately licensed audio with short action cues; tune volume, timing and fades in a browser prototype. Test sound after a user gesture and keep the MIT notice; this library supplies playback, not music or sound files.
Colyseus: Adapt one authoritative room to your existing game state and test with two clients before expanding. Keep the MIT notice and check each client SDK; hosting, authentication and deployment still need separate decisions.
Particle Pack: Recolour and combine sprites for your own hit or spell effect. Tune timing, size and particle count; check the smallest target device.

Licence reminder: sell a finished game, resell original files and include them in a template/source product are separate permissions. Preserve every scoped right, condition and linked licence below. Recheck the exact download/plan and intended use before publishing. Licensing summary, not legal advice. Before publishing or selling, check the creator's linked licence for your exact download, plan and intended use. Terms and restrictions may differ.
Do not request paid/private files, secrets or full project uploads unless sharing is permitted. If you cannot access BINX Forge directly, continue from the supplied facts and mark remaining source/compatibility checks. State what you can inspect and what you have actually tested.

How to Make a Multiplayer Game: Start With Two Players

Your first playable milestone

Separate local play from networking

Use one private room

Give the server authority

Handle the awkward journeys

Price and protect deployment

Building blocks from original creators

Colyseus

Godot

Toon Characters

UI Pack

Check compatibility before importing

Learn at the original sources

Build your own version

Take this guide to your AI

Keep building