Learn and practice speedcubing algorithms for 2x2, 3x3, 4x4, Pyraminx, Skewb, Square-1, and Megaminx. Access over 1,000 algorithms with regular updates. Save and organize algorithm sets. View step-by-step guides and practice sequences.
by Armand Tartar★ 4.512 ratingsEducationFreeData updated 2026-09-06
Explore a comprehensive chord library with basic, extended, and altered . Access various for practice and composition. Play piano notes directly on the screen. Save and share custom chord progressions.
Solve puzzles by tapping tiles to turn off. Each reveals a hidden image progressively. Features include classic logic gameplay, jigsaw-style image reveals, and increasing difficulty levels. Track progress and unlock new puzzles.