Colyseus
Original creator: Endel Dreyer / Colyseus contributors. An authoritative Node.js multiplayer framework with synchronised rooms and client SDKs.
code-library · free · checked 2026-10-07. Scope is upstream code only. Preserve the linked licence; check every dependency and any distributed assets separately.
Dimensions: 2D, 3D. Formats: TypeScript, JavaScript, Client SDKs. Engine/target integration not certified.
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.
Sell a finished game: conditional · Yes — conditions apply to the covered code in a finished game. Retain the copyright and MIT permission notice in copies or substantial portions of the software. Scope: Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.. Rights source · Rights source
Resell original files: conditional · Yes — conditions apply to copies of the covered upstream code. Retain the copyright and MIT permission notice in copies or substantial portions of the software. Scope: Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.. Rights source · Rights source
Include in a source/template: conditional · Yes — conditions apply to covered code in a source/template product. Retain the copyright and MIT permission notice in copies or substantial portions of the software. Scope: Upstream Colyseus code covered by MIT at source commit 74c7f66e7261fd7d333ab760ed235d918c7bd1fa; excludes third-party dependencies, media, trademarks, separately licensed SDKs and hosted services.. Rights source · Rights source
Editions and conditions
Open-source core: No charge · upstream code; hosting/integration excluded. 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. Edition terms
Runtime tested: not certified; BINX tested: not certified.
Complete public facts and separate rights scopes
slug: "colyseus"
name: "Colyseus"
creator: "Endel Dreyer / Colyseus contributors"
forgeUrl: "https://binxforge.com/resources/colyseus"
summary: "An authoritative Node.js multiplayer framework with synchronised rooms and client SDKs."
officialUrl: "https://github.com/colyseus/colyseus"
costModel: "free"
checkedOn: "2026-10-07"
dimensions: ["2D","3D"]
formats: ["TypeScript","JavaScript","Client SDKs"]
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."]
kind: "code-library"
categories: [{"id":"resource:multiplayer","label":"Multiplayer & Co-op"},{"id":"resource:networking","label":"Networking"},{"id":"resource:servers-backend","label":"Servers & Backend"},{"id":"resource:code-systems","label":"Code & Systems"},{"id":"resource:co-op","label":"Co-op"}]
whatsInside: ["Server-authoritative rooms and state synchronisation","Room matchmaking/reconnection primitives and separately versioned client SDKs"]
bestFor: ["Custom / AI-built engines","Projects with a suitable runtime and integration"]
howItHelps: ["Prototype a shared room with existing state-sync infrastructure before custom-building netcode.","Build co-op on a shared authoritative room; game rules and client integration remain your work."]
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"],"commercialUse":"Yes — conditions apply","sourceUrl":"https://github.com/colyseus/colyseus","checkedOn":"2026-10-07"}]
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.","conditions":["Retain the copyright and MIT permission notice in copies or substantial portions of the software."],"sources":["https://github.com/colyseus/colyseus","https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"],"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"},"resellFiles":{"status":"conditional","summary":"Yes — conditions apply to copies of the covered upstream code.","conditions":["Retain the copyright and MIT permission notice in copies or substantial portions of the software."],"sources":["https://github.com/colyseus/colyseus","https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"],"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"},"template":{"status":"conditional","summary":"Yes — conditions apply to covered code in a source/template product.","conditions":["Retain the copyright and MIT permission notice in copies or substantial portions of the software."],"sources":["https://github.com/colyseus/colyseus","https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"],"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"}}
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.","conditions":["Retain the copyright and MIT permission notice in copies or substantial portions of the software."],"sources":["https://github.com/colyseus/colyseus","https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"],"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"},"resell_original_resource":{"status":"conditional","summary":"Yes — conditions apply to copies of the covered upstream code.","conditions":["Retain the copyright and MIT permission notice in copies or substantial portions of the software."],"sources":["https://github.com/colyseus/colyseus","https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"],"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"},"redistribute_in_template":{"status":"conditional","summary":"Yes — conditions apply to covered code in a source/template product.","conditions":["Retain the copyright and MIT permission notice in copies or substantial portions of the software."],"sources":["https://github.com/colyseus/colyseus","https://github.com/colyseus/colyseus/blob/74c7f66e7261fd7d333ab760ed235d918c7bd1fa/LICENSE"],"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"}}}]
integration: null
codeStarterScope: {"engines":["Other"],"language":"Node server + JavaScript client","testScope":"Two isolated local clients, room join and validated ping/pong. Not a production multiplayer acceptance test."}
declaredRecipePlatforms: []
verification: {"sourceRead":true,"editorialReviewed":true,"runtimeTested":false,"binxTested":false}
comparisons: {}