Free
Added on Nov 13,2026
OhMyGame is an open-source AI game studio where agents write the code, make the assets and playtest the game for you, taking a small idea through to a playable game.
You describe the game you want in a chat, and the agent writes a design doc, creates art, builds the game in engines such as Three.js and then plays it to check the game loop. You can ask for changes in plain words and it edits the code and runs tests.
A canvas lets you lay out designs and artwork and turn them into images, video and 3D models. Finished games can be published with a cover and description to a shareable link that anyone can play.
Key features include plugins for Godot, Unity, Unreal Engine, Blender, Aseprite, Tiled and Cocos Creator, plus publishing targets such as TapTap Maker, WeChat Mini Games and Douyin Mini Games. If a tool is missing, you can ask the agent to build a plugin.
It works with your own model keys or subscriptions from providers including Anthropic, OpenAI, Google, DeepSeek, Qwen, Kimi, GLM, MiniMax, xAI, Mistral, Groq, OpenRouter, Amazon Bedrock, Vercel AI Gateway and Meshy for 3D models.
The project is released under the Apache-2.0 licence on GitHub, with docs, a community games gallery, a blog, free tools and a Discord community.
Pricing: the app is free and open source. You pay your chosen AI model providers directly through your own keys. It is available as a macOS download.
It is suited to indie game developers, hobbyists, students and creators who want to make 2D, 3D and mini games with AI agents.
Popular alternatives to OhMyGame include Lostgamer, GPTGame and Pixelicious. Compare their pricing and what each is best for below.
| Tool | Pricing | Best for |
|---|---|---|
| Lostgamer | Freemium | Gamers who enjoy GeoGuessr-style challenges in game worlds. |
| GPTGame | Free Trial | Developers prototyping simple game ideas and non-coders who want to describe and play a quick JavaScript game without wr... |
| Pixelicious | Free | Indie game developers and pixel artists who want to turn existing images into retro sprites and game assets. |
| Unprompted | Freemium | Puzzle fans, word-game players and people curious about AI art who want a quick daily challenge guessing the prompts beh... |
| Sprite Fusion | Paid | Indie game developers who need consistent pixel art characters, items and animations without drawing every frame by hand... |
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