12 min | solo
ControlsDrag to work the hill. Keys 1 to 5 pick a tool, Tab changes the seed. Arrows or WASD move the hand and space works. Escape pauses, M mutes.
AccessNo fail state and nothing dies. Four day lengths including untimed. Vigour only slows the hands. Reduced motion, higher contrast, volume and mute. Keyboard operable; spatial play is not screen-reader operable.
Test scopeTypecheck, 29 unit and balance tests, and production build passed 2026-08-29. Measured in browser on a full hill at 13 draw calls and 99k triangles. Device and accessibility audits remain owner-managed.