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Claude Opus 5.5 Max builds game in one prompt

1 reports1 sourcesUpdated 17 hours ago

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Simon Willison prompted Claude Opus 5.5 Max in the default Claude iPhone app to build a three.js game called "Tree Appreciator," about spotting differences between algorithmically generated trees. He says the model ran for 3 hours and 7 minutes before returning a spot-the-difference game with music, animation, and achievements. The result comes from a single prompt, per Willison's account.

Generated by AI from the reporting · updated 54 minutes ago

Latest updateOct 14 21:23
Claude Opus 5.5 Max builds "Tree Appreciator" three.js game in one prompt

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Oct 14
  1. Simon Willison
    Claude Opus 5.5 Max builds "Tree Appreciator" three.js game in one prompt

    Simon Willison prompted Claude Opus 5.5 Max in the default Claude iPhone app to build a three.js game called "Tree Appreciator" about spotting differences between algorithmically generated trees. Claude ran for 3 hours and 7 minutes before returning a spot-the-difference game with music, animation, and achievements.

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