Solo Dev Builds Full 3D Game with AI: 10K Lines of Code, Zero Assets
Matt Wolfe · youtube · 2026-08-13
YouTuber Matt Wolfe tested the limits of current AI coding tools by single-handedly developing a complete 3D game, The Librarian 2.
- Tools Used: Initial build done with Claude Code (Opus 5), fine-tuning switched to Codex and GPT-5.6 Sol.
- Game Scope: A 3D procedurally generated roguelite featuring boss enemies, natural disasters, meta progression, and a chaos system. The project consists of 33 modules and 10,400 lines of code with zero asset files.
- Verdict: While AI makes full game development possible, it is significantly harder than the single-level demos often portrayed on social media. The game's code is open-source.
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