Haiku Harbour

A seaside town you share with hundreds of NPCs and other players. Built with Claude Haiku 5.5.

by @chongdashuAdded Oct 8, 2026

Can Anthropic's newest (+cheapest) model build a multiplayer 2.5D game? Claude Haiku 5.5 built a browser town with hundreds of NPCs in a cosy seaside town - together with real players. I call it Haiku Harbour. I'm in there now. Can you find me? haiku-harbour.vercel.app

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1:58 PM · Oct 8, 2026

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