Tree Appreciator

#15 in Other

Simon Willison · since 2026-10-14 · 4× · last seen Oct 29, 2026

53

Momentum

Tree Appreciator is a browser-based spot-the-difference game built with three.js, created by Simon Willison in October 2026 using Claude. The game shows two trees grown from one seed, and the player must find the differences between them. It is part of his collection at tools.simonwillison.net and has no separate commercial product page or pricing.

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