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Simon Willison·· 20d ago

Claude Opus 5.5 Max develops 'Tree Appreciator' Three.js game from prompt

Original source: Simon WillisonRead original
AI brief

Using the default Claude iPhone app in chat mode, Claude Opus 5.5 Max built a Three.js game called "Tree Appreciator" that displays two algorithmically generated trees, with the game mechanic centered on appreciating their differences. The model spent 3 hours and 7 minutes on the task, resulting in a compelling spot-the-difference game complete with music, animation, and achievements.

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Source: Simon Willison · simonwillison.net

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