Claude Haiku builds a multiplayer 2.5D seaside town game with hundreds of NPCs
chongdashu · x · 2026-10-08
Developer chongdashu tested Anthropic's newest and cheapest model, Claude Haiku, by having it build Haiku Harbour — a browser-based multiplayer 2.5D game set in a cosy seaside town with hundreds of NPCs, playable by real players simultaneously. A public link and demo screenshot are available.
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