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Portals: Endless Worlds

Interactive made with Claude Fable 5.2 · by Ethan Mollick

Muted loop excerpted from publicly shared footage of the work. Press play to watch.

A hands-off journey through code-only 3D worlds linked by portals. 25,000 agents built more than 450 worlds inspired by books, art and places. Source is on GitHub.

Sources & verification

Verified against the original source on 11 Nov 2026.

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