Expert Color Sudoku

Nine colors, one of each per row, column, and box. Pick a color, then tap a square.

1 Red2 Orange3 Yellow4 Green5 Blue6 Indigo7 Violet8 White9 Rainbow
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Other levels

Every expert grid has one solution

Each puzzle is generated with a guaranteed unique solution — there’s always exactly one right arrangement of the nine colors, so you never have to guess. Tap New game for another, or Hint to see the next forced color explained. Prefer numbers? Play the same difficulty in classic Sudoku.