GitHub is a GOLDMINE for game developers.

I found 10 open-source projects that make building ambitious 3D games with Claude Code and Codex much easier.

Save these:

1/ Claude Code Game Studios

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

Turn Claude Code into a coordinated game development team with specialized agents for coding, design, art, and testing.

2/ Godot Engine

https://github.com/godotengine/godot

A complete open-source engine for building 2D and 3D games, including gameplay, animation, physics, and rendering.

3/ Blender MCP

https://github.com/ahujasid/mcp-for-blender

Control Blender with Claude Code or Codex to help create and edit 3D objects, scenes, and game assets.

4/ Terrain3D

https://github.com/TokisanGames/Terrain3D

Build massive 3D landscapes with terrain sculpting, texture painting, foliage, and level-of-detail support.

5/ Godot Jolt

https://github.com/godot-jolt/godot-jolt

Add Jolt physics to your Godot game for realistic collisions and rigid-body interactions.

6/ LimboAI

https://github.com/limbonaut/limboai

Create smarter enemies and NPCs using behavior trees and state machines.

7/ Dialogic

https://github.com/dialogic-godot/dialogic

Build branching conversations, character interactions, and dialogue systems for story-driven games.

8/ Phantom Camera

https://github.com/ramokz/phantom-camera

Create cinematic camera movements, smooth transitions, and dynamic gameplay camera systems.

9/ Meshoptimizer

https://github.com/zeux/meshoptimizer

Optimize 3D models to reduce file sizes and improve rendering efficiency.

10/ Godot Demo Projects

https://github.com/godotengine/godot-demo-projects

Explore working game templates and examples for 3D gameplay, graphics, networking, and more.

What did I miss?