GitHub is making game development ridiculously easy

You can now use Claude Code or Codex to build games without spending months learning game engines.

Here are 10 insane GitHub repos worth bookmarking:

1/ Godogen

Describe the game you want.

The agent writes code, generates assets, runs the engine, and checks the result through a live game or recording.

Works with Claude Code and Codex.
Supports Godot, Bevy, and Babylon.js.

https://github.com/htdt/godogen

2/ Three.js Game Skills

Want something beyond another basic platformer?

This gives Claude Code and Codex skills for gameplay, graphics, sound, UI, and testing.

The demos include drifting, snooker, and space combat.

Build it. Play it. Give feedback. Keep improving.

https://github.com/majidmanzarpour/threejs-game-skills

3/ Claude Code Game Studios

49 AI agents organized like a game studio.

Game designers.
Gameplay programmers.
Artists.
Sound designers.
QA testers.

You direct the project. Claude Code gets specialized workflows for building it.

Includes Godot, Unity, and Unreal specialists.

http://github.com/Donchitos/Claude-Code-Game-Studios

4/ Godot AI

Your AI can actually work inside the Godot editor.

Build scenes.
Edit scripts.
Connect signals.
Set up cameras, animations, particles, and UI.

Connect Claude Code or Codex, then describe what you want changed.

https://github.com/hi-godot/godot-ai

5/ sprite-gen

One character image becomes usable game animation.

Generate motion states, remove backgrounds, extract transparent frames, and export sprite atlases.

Includes a review interface to reject or adjust bad frames.

A Claude/Codex skill for making your characters move.

https://github.com/aldegad/sprite-gen

6/ GameFactory-3A

Game code is only part of the job.

This connects asset generation with game construction:

Images.
3D models.
Character motion.
Audio.
Cinematics.

Works with Claude Code and Codex. Its demo videos include fighting games, racing games, FPS games, and RPGs.

http://github.com/OpenDCAI/GameFactory-3A

7/ GameDev Agent Skills

74 game development skills your coding agent can load when needed.

Covers Godot, Unity, Unreal, Phaser, Three.js, Bevy, Roblox, and more.

A router selects the right guidance for your engine and task.

Works with Claude Code and Codex.

https://github.com/gamedev-skills/awesome-gamedev-agent-skills

8/ NovelToGame

Turn a story into a playable game.

Seven skills guide your agent through adaptation, mechanics, world design, art direction, building, and testing.

Examples include a Journey to the West RPG and a dinosaur photography game based on The Lost World.

Works with Claude Code and Codex.

https://github.com/zenstory-ai/novel-to-game

9/ Unreal Engine Skills

Epic Games published its own Claude Code plugin.

It lets Claude control Unreal Editor through tools for Blueprints, materials, effects, animation, UI, and testing.

Give Claude access to the editor, then ask it to build or change things.

https://github.com/EpicGames/unreal-engine-skills-for-claude-code-plugin

10/ Genex Desktop

An AI game development workspace.

Use your Claude Code or ChatGPT subscription, or local models.

Coordinate agents, create 3D assets through Blender, connect generation tools, and publish to the web.

Early software. Available on macOS and Linux.

http://github.com/genex-games/genex-desktop

Pick one.

Build one level with one mechanic worth playing.

Then make it good enough that someone wants a second level.