Codex 5.5 builds 3D game

- A social post demonstrated Codex 5.5 building a full 3D game from a world-bible prompt in roughly 20 minutes, presenting a rapid-prototyping example for indie creators and engine integration notes. - The demo showed Codex 5.5 producing assets, basic AI behaviors and a playable scene from a single descriptive prompt, implying fast iteration for design experiments and export-ready stubs. - It suggests rapid AI prototypes are possible, yet human curation, tuning and documentation remain necessary for production-ready designs, per the social demo. (x.com)