Color Sudoku: Shapes & Music

Sudoku with colors, shapes and music instead of numbers. Every color plays its own note, so each move you make becomes part of a melody. Start on a tiny 4x4, step up to 6x6, then master the classic 9x9. HOW IT WORKS • Fill the grid so every row, column and box holds each color once. Pure logic, no math. • Each color has its own shape: heart, star, leaf, drop, circle, diamond, triangle, flower and square. Easy to read, and friendly for colorblind players. • Each color is a xylophone note from a pentatonic scale, so whatever order you play, it sounds good. Complete a row, column or box and hear a chord. A LONG JOURNEY • 200 levels across 10 worlds. Each world starts a little below the last one's peak and climbs higher: challenging, never crushing. • Learn the rules on 4x4, speed up on 6x6, then take on the full 9x9. Later worlds introduce new solving techniques. • Every puzzle has exactly…