404-game-recipe: Open source project lets agents generate 3D game assets

markjeffrey · x · 2026-08-29

The 404-game-recipe is an open-source project designed to solve the asset scarcity problem for AI-built games. It allows users to point a coding agent at the repository, describe a game, and have the agent generate a playable game using 404's code-based 3D assets (JavaScript modules). The project includes the full method for asset generation, verification, and a critic loop, with open weights available on GitHub.

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