25,000 AI agents autonomously build 450+ portal-linked 3D worlds
felixrieseberg · x · 2026-11-10
Ethan Mollick shares one of his favorite experiments: Fable 5.2 was told to build an endless, hands-off journey through 3D worlds linked by portals. 25,000 agents created over 450 worlds inspired by books, art and places — all in code, with no human feedback. Playable online, code on GitHub.
Related event: Ethan Mollick lets 25,000 agents autonomously build 450 linked 3D worlds(4 posts)→
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