Claude with built-in Cowork builds a playable multiplayer game from one prompt

bcherny · x · 2026-09-18

A demo by Felix Rieseberg shows how powerful Claude with built-in Cowork and connected Artifacts is: you can simply ask it to build a multiplayer game and it just does it. Copying a link lets others join and play live on your account — a glimpse of the new interaction pattern from combining Cowork with shareable Artifacts.

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