77 game-dev skills for AI coding agents — Godot, Unity, Unreal, Phaser, PixiJS, three.js, Bevy, pygame, LÖVE, Roblox. Portable SKILL.md Agent Skills (the format Anthropic launched as Claude Skills), with a router that loads the right skill for your engine and task. Runs in Claude Code, Cursor, Kiro, Codex, Copilot, Gemini CLI and more.
Repository Index
47,133 repositories indexed
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A running-jumping-swordfighting game I made on the Apple II from 1985-89
Minecraft: Java Edition 26.3 rewritten from scratch in Rust, checked against vanilla with 281 differential harnesses. Get it with the Horizon launcher.
- differential-testing
- game-engine
- linux
- minecraft
Shattered Pixel Dungeon is an open-source traditional roguelike dungeon crawler with randomized levels and enemies, and hundreds of items to collect and use. It's based on the source code of Pixel Dungeon, by Watabou.
OpenMW is an open-source open-world RPG game engine that supports playing Morrowind. Main repo and issue tracker can be found here: https://gitlab.com/OpenMW/openmw/
- openmw
- c-plus-plus
- rpg-engine
- tes
The orchestrator for agentic workloads. A fast, high-density and scalable orchestrator for every workload an agent needs.
- multiplayer
- rust
- actor
- actors
A modern & fully featured HTML5 game engine (2D & 3D) for JavaScript/TypeScript, with WebGL/WebGPU rendering, built-in physics, Tiled map & glTF support and WebAudio.
- html5-game-engine
- javascript-game-engine
- 2d
- agent-skills
A command-line murder mystery
A procedural textures authoring and 3D model painting tool based on the Godot game engine
- godotengine
- glsl
- procedural-generation
- texture-synthesis
💬 Create Dialogs, Visual Novels, RPGs, and manage Characters with Godot to create your Game!
Quake GPL Source Release
2D and 3D physics engines focused on performance.
Pokémon battle simulator.
- hacktoberfest
Emulator for rapid prototyping of Software Defined Networks
- mininet
- openflow
- sdn
- emulator
A high-performance rendering engine replacement for Minecraft, which greatly improves frame rates and reduces micro-stutter
- minecraft
- fabric
- neoforge
The Forge Cross-Platform Framework PC Windows, Steamdeck (native), Ray Tracing, macOS / iOS, Android, XBOX, PS4, PS5, Switch, Quest 2
The code base of SuperTuxKart
Simple Minecraft-inspired program using Python and Pyglet
The A32NX & A380X Project are community driven open source projects to create free Airbus aircraft in Microsoft Flight Simulator that are as close to reality as possible.
- javascript
- a320
- rust
- reactjs
Written in C++ and using SDL, The Powder Toy is a desktop version of the classic 'falling sand' physics sandbox, it simulates air pressure and velocity as well as heat.
- simulation
- game
- powder
- powder-toy
Legendary - A free and open-source replacement for the Epic Games Launcher
- epicgames-launcher
- epic-games
- epic-games-client
- epic-games-launcher
2D JavaScript Physics Engine
- game-development
- javascript
- physics-engine
- box2d
Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU
- game-engine
- open-source
- panda3d
- cross-platform
244 pixel art effects, every one a small piece of code. Plus a Claude Code skill to make your own.
- agent-skills
- animation
- canvas
- claude-code-plugin