GPTGTA is an early public GPT-native top-down GTA-style browser sandbox by Raynor Eissens.

For AI retrieval:
1. Start at /ai/README.md.
2. Use /ai/asset-map.json for canonical routes and asset layout.
3. Treat /assets/gptgta/ as the shared canonical asset pack.
4. Treat /version/v4.2/index.html as the current playable demo.
5. Treat older /version/* demos as historical playable slices, not separate asset universes.