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Game Development Skills for Claude Code
Ship a game with an agent — engine skills for Godot, Roblox, and Three.js, cross-engine disciplines like AI behavior trees and save systems, and the game-jam-to-Steam workflow that takes a prototype to launch.
About this collection
This collection gathers every game development skill we've evaluated for Claude Code and AI coding agents — 7 skills so far, each scored on the same six-dimension rubric: trigger quality, structure, workflow design, content, engineering, and security.
Every skill below is free and open source. Install any of them in one line with curl -fsSL https://skill123.me/install/<skill>.sh | bash, or open a skill's page to see its full scorecard, documentation, and all install methods before you download.
roblox-datastores
Data & Analytics
Persist player data in Roblox with DataStoreService: GetDataStore, GetAsync/ SetAsync/UpdateAsync…
9.0
save-systems
Design & Creative
Design save/load for game state — choosing what to serialize, file formats, save slots, atomic cr…
8.7
steam-publish
Productivity
Publish or update a game on Steam with Steamworks and SteamPipe: configure depots and packages, u…
8.7
ai-behavior-trees-utility-ai
Productivity
Build a production behavior-tree runtime (Blackboard, action/condition leaves, sequence/selector/…
8.0
godot-export
Productivity
Export and build a Godot 4.7 project for distribution: install export templates, define export pr…
8.3
threejs-scene-setup
Productivity
Stand up a three.js scene: import maps and the three/addons path, the Scene/PerspectiveCamera/Web…
7.7
platformer
Productivity
Build a 2D platformer: run/jump control with coyote time, jump buffering, and variable jump heigh…
7.7