
Save and Load Game Progress Without Losing Data
Build a versioned save, validate it before loading and handle unavailable storage without breaking play.
Read guide →Reimagine a Game: six illustrated game-building guides
Five new practical guides, five playable recipes and five reverse-engineering workshops, with complete original source. Explore reverse engineering.
Search practical game recipes, first-build tutorials and free-versus-paid comparisons. Original mechanics, copy-ready AI prompts and links to the existing build journeys.
21 results · 5 complete game recipes

Build a versioned save, validate it before loading and handle unavailable storage without breaking play.
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Make inventory transfers atomic so full bags, duplicate clicks and invalid quantities cannot create or destroy items.
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Use pointer ownership, cancellation and keyboard parity to prevent stuck movement in browser games.
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Build idle, chase, attack, recovery and dead states before adding navigation or complex behaviour trees.
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Measure frame-time tails, separate rendering from simulation and make one evidence-based performance change.
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Build Beacon Hop: three platforms, readable landings, a forgiving jump and one reachable finish.
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Build Lane Watch: three tower slots, eight enemies, limited gold and a defended exit.
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Build Crate Key: grid movement, validated pushes, a solved state and a complete undo record.
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Build Paper Duel: a visible enemy intent, two card types and a small turn-based combat loop.
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Build Signal Sweep: normalised movement, rate-limited shots, enemy collisions and a finite wave.
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Trace the original workshop from a button press to state mutation and a rendered frame.
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Decode an original four-byte record, identify endianness and validate a proposed schema.
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Use a deterministic movement trace to distinguish observations from a physics hypothesis.
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Study a small owned input protocol, sequence numbers and server-owned movement.
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Compile an original C exercise, compare boundary outputs and follow a manual Ghidra analysis plan.
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Meet the creators of the Sonic Unleashed PC port, understand static recompilation, then build an original speed platformer with free code, assets and AI.
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Discover Harbour Masters’ SpaghettiKart PC port, its maintainers and native rendering, then build an original drift-and-boost kart time trial with free source, assets and AI.
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Explore Harbour Masters’ Ship of Harkinian and its decompilation-based port, then create Lanternwake: an original exploration adventure with free code, assets and a complete AI brief.
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Meet Lywx and Harbour Masters’ Ghostship, check its real source and release, then build Clockwork Heights: an original collectible platformer with free code and an ambitious 3D development prompt.
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Run Capstone’s unchanged example, inspect libsm64’s real-game simulation code and follow genuine source screenshots. Includes optional scoring practice and Ghidra guidance.
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Explore Mario in Elden Ring, Skyrim + Minecraft and creator-reported AI crossover mods. Follow credited creator code and real source screenshots, then try the optional original practice lab.
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