Best open-source AI repos for game development with AI agents (2026)

What are the best open-source repos for making games with AI coding agents?

The best open-source AI repos for game development with AI agents right now are Claude Code Game Studios, Noobi.ai and Roqer. Claude Code Game Studios turns Claude Code into a full studio team with Godot, Unity and Unreal specialists; Noobi.ai turns a prompt into a playable Web or Godot 4 project on a Mac; Roqer builds and playtests inside Roblox Studio. For art, Aseprite AI Artist draws pixel sprites in Aseprite and H3 Game Sprites turns AI video into sprite sheets.

Comparison

Repo	What it does	Stars	Start here
Claude Code Game Studios Donchitos/Claude-Code-Game-Studios · Shell	Claude Code Game Studios turns a Claude Code session into a game development studio: 49 specialized agents in a director, department lead and specialist hierarchy, 74 slash command skills, 15 validation hooks, 14 path-scoped coding rules and 62 document templates.	27,679	Start a new game with a full AI studio team in Claude Code Beginner, 1 hour
Noobi.ai Innate-Labs/Noobi.ai · TypeScript	Noobi.ai is a local-first macOS desktop agent that turns a game prompt into a reviewed, playable Web or Godot 4 project using Codex App Server.	251	Turn a game idea into a playable Web game Intermediate, 45 minutes
Roqer S4US/Roqer · TypeScript	Roqer is an open-source desktop AI agent for Roblox Studio that builds, scripts, and playtests a place using your ChatGPT, Claude, or Gemini subscription or a custom API.	173	Build and script a Roblox feature with an AI agent Intermediate, 1 hour
Build World thrixel/build-world · JavaScript	Build World is a Claude Code plugin and skill that pairs your coding agent with Thrixel-generated 3D assets to build interactive worlds in Three.js, Roblox, Unity or Unreal Engine.	n/a	Build an interactive 3D web world with your agent Intermediate, 1 hour
Aseprite AI Artist with-pebbly/aseprite-ai-artist · TypeScript	An MCP server and skill set that lets a coding agent draw, review, animate and export pixel art directly in an Aseprite window that is already open.	477	Draw a pixel sprite live in your open Aseprite Intermediate, 30 minutes
H3 Game Sprites gary149/h3-game-sprites · Python	An Agent Skill and Python scripts that turn AI-generated video into 2D game sprite sheets, with chroma keying, keyframe selection, walk-cycle detection and atlas packing.	n/a	Cut a generated move clip into keyed sprite frames Advanced, 2 hours

When to pick which

Claude Code Game Studios Donchitos/Claude-Code-Game-Studios

Claude Code Game Studios turns a Claude Code session into a game development studio: 49 specialized agents in a director, department lead and specialist hierarchy, 74 slash command skills, 15 validation hooks, 14 path-scoped coding rules and 62 document templates. It has engine specialists for Godot 4, Unity and Unreal Engine 5, and a rigor setting that ranges from jam-game speed to full documentation.

Best for: Solo and small-team game developers using Claude Code who want structure, design review and QA instead of one unstructured chat.

Needs: Git; Claude Code (native installer recommended); Python 3 for reading project.yaml; Bash (Git for Windows on Windows)

Start here: Start a new game with a full AI studio team in Claude Code Beginner, 1 hour, works with claude-code

Run git clone https://github.com/Donchitos/Claude-Code-Game-Studios.git my-game and cd my-game
Start Claude Code with claude
Run /start and tell it where you are: no idea, a vague concept or a clear design
Configure your engine, for example /setup-engine godot 4.7

All 3 use cases GitHub

Noobi.ai Innate-Labs/Noobi.ai

Noobi.ai is a local-first macOS desktop agent that turns a game prompt into a reviewed, playable Web or Godot 4 project using Codex App Server.

Best for: Hobbyist and indie game makers, plus developers who want a forkable base for a Codex-driven production agent.

Needs: macOS, the current tested and packaged target; Node.js 22 LTS and npm; A ChatGPT/Codex account; An available image route: a configured image provider or Codex ImageGen

Start here: Turn a game idea into a playable Web game Intermediate, 45 minutes, works with codex

git clone https://github.com/Innate-Labs/Noobi.ai.git
cd Noobi.ai
npm ci
npm run dev

All 4 use cases GitHub

Roqer S4US/Roqer

Roqer is an open-source desktop AI agent for Roblox Studio that builds, scripts, and playtests a place using your ChatGPT, Claude, or Gemini subscription or a custom API.

Best for: Roblox creators and game developers on Windows who want an AI agent to build and test features inside their Studio place.

Needs: Windows and Roblox Studio (macOS is untested); Node.js 20 or newer; A model: ChatGPT with the Codex app, Claude with Claude Code, Gemini with the Antigravity CLI, or any OpenAI- or Anthropic-compatible endpoint; Git, to clone the repository

Start here: Build and script a Roblox feature with an AI agent Intermediate, 1 hour

Run git clone https://github.com/S4US/Roqer.git and then cd Roqer.
Run npm install, then npm run build:all, then npm run start:desktop.
Open or restart Roblox Studio so it loads the Roqer plugin, then open your place.
In Roqer, pick a model and describe the feature you want, such as a door that opens on a button press.

All 4 use cases GitHub

Build World thrixel/build-world

Build World is a Claude Code plugin and skill that pairs your coding agent with Thrixel-generated 3D assets to build interactive worlds in Three.js, Roblox, Unity or Unreal Engine.

Best for: Game developers, educators and hobbyists who want an agent to build interactive 3D scenes with generated assets.

Needs: Claude Code (or another coding agent); uv to run the Thrixel connector; A Thrixel account

Start here: Build an interactive 3D web world with your agent Intermediate, 1 hour, works with claude-code

Check tools with claude --version and uv --version
Log in with uvx thrixel-mcp@latest login
Run claude plugin marketplace add thrixel/build-world then claude plugin install thrixel@thrixel
Ask Claude Code to build a Three.js world from your idea

All 3 use cases GitHub

Aseprite AI Artist with-pebbly/aseprite-ai-artist

An MCP server and skill set that lets a coding agent draw, review, animate and export pixel art directly in an Aseprite window that is already open.

Best for: Pixel artists, indie game developers and hobbyists who already use Aseprite and a supported coding agent and want the agent to do the drawing work.

Needs: Aseprite 1.3 or newer, open on your machine; Node 22.6 or newer; One supported agent: Claude Code, omp, OpenCode, Codex CLI, Gemini CLI, Cursor, VS Code or Windsurf

Start here: Draw a pixel sprite live in your open Aseprite Intermediate, 30 minutes, works with claude-code, codex, cursor, gemini-cli

Run npx @pebbly/aseprite-ai-artist install-extension, then quit and reopen Aseprite.
In Claude Code, run /plugin marketplace add with-pebbly/aseprite-ai-artist and then /plugin install aseprite@aseprite-ai-artist. For Codex, Gemini or Cursor, run npx @pebbly/aseprite-ai-artist install codex (or gemini or cursor).
Restart your agent, then run npx @pebbly/aseprite-ai-artist doctor and confirm all checks show a tick.
Ask your agent for a sprite, for example /aseprite:studio a fox, 32×32, sleeping loop in Claude Code.

All 4 use cases GitHub

H3 Game Sprites gary149/h3-game-sprites

An Agent Skill and Python scripts that turn AI-generated video into 2D game sprite sheets, with chroma keying, keyframe selection, walk-cycle detection and atlas packing.

Best for: Indie game developers and hobbyists who want 2D character animation from AI video clips, and agents that run the pipeline for them.

Needs: ffmpeg installed locally; Python 3 with Pillow and numpy; A video model such as H3 / Hailuo 3 via OpenRouter, fal or MiniMax, or an ordinary video file you already have; An image model or illustrator for the character still (gen_still.py defaults to Nano Banana through OpenRouter and reads OPENROUTER_API_KEY)

Start here: Cut a generated move clip into keyed sprite frames Advanced, 2 hours, works with claude-code

Generate the character still on a flat magenta backdrop in side view, then generate the move clip with the first and last frame set to the same idle still (the idle pin).
Save the clip as clips/punch.mp4.
Run python3 scripts/sprite_cut.py clips/punch.mp4 sprites/punch --frames 12.
Open the strip, the GIF and the metrics report in sprites/punch and check key purity per frame and the return-to-start figure.

All 3 use cases GitHub

Use cases for game development with AI agents

Start a new game with a full AI studio team in Claude Code Claude Code Game Studios
Build a jam game fast with the minimal rigor mode Claude Code Game Studios
Run design, balance and QA reviews before a milestone Claude Code Game Studios
Turn a game idea into a playable Web game Noobi.ai
Build a Godot 4 game with engine checks Noobi.ai
Add a custom media provider to the pipeline Noobi.ai
Build and script a Roblox feature with an AI agent Roqer
Use Roqer's Studio tools from Claude Code Roqer
Create and test an R15 character animation with AI Roqer
Build an interactive 3D web world with your agent Build World
Prototype a game level in Roblox, Unity or Unreal Build World
Create an educational or historical 3D recreation Build World
Draw a pixel sprite live in your open Aseprite Aseprite AI Artist
Animate a sprite and export a spritesheet for your engine Aseprite AI Artist
Get a blind critique of your pixel art before shipping Aseprite AI Artist
Cut a generated move clip into keyed sprite frames H3 Game Sprites
Build a seamless walk cycle from a generated clip H3 Game Sprites
Pack a character's moves into one engine-ready atlas H3 Game Sprites

Questions

What are the best open-source repos for making games with AI coding agents?

Which repo for game development with AI agents is easiest to start with?

Claude Code Game Studios: its starter use case "Start a new game with a full AI studio team in Claude Code" is rated Beginner and takes about 1 hour.

How do I get started with Claude Code Game Studios?

Run git clone https://github.com/Donchitos/Claude-Code-Game-Studios.git my-game and cd my-game; Start Claude Code with claude; Run /start and tell it where you are: no idea, a vague concept or a clear design. Full steps and a copy-paste agent prompt: https://dedupedai.com/use-cases/donchitos-claude-code-game-studios/start-a-game-project-with-a-studio-team/

Are these game development with AI agents repos free?

They are open-source projects on GitHub (check each license; some, like fair-code projects, limit commercial use). Some also sell a hosted version or need a paid model API key; the requirements for each repo are listed on this page.

How is this list of game development with AI agents repos chosen?

Deduped tracks the hottest AI repos on GitHub and writes step-by-step use cases from each README. For this page we picked the repos that do this job, ordered by fit and then GitHub stars. Repos with a risk flag or a retired page are left out. The page is rebuilt with the site; stars are as of the last build in 2026.

What are the best open-source repos for making games with AI coding agents?

Comparison

When to pick which

Claude Code Game Studios Donchitos/Claude-Code-Game-Studios

Noobi.ai Innate-Labs/Noobi.ai

Roqer S4US/Roqer

Build World thrixel/build-world

Aseprite AI Artist with-pebbly/aseprite-ai-artist

H3 Game Sprites gary149/h3-game-sprites

Use cases for game development with AI agents

Questions

More answers