Sudoku
Fill every row, column and 3×3 box with 1–9. Tap a white square, then a number below.
Medium0:00Mistakes: 0
Select an empty square to begin.
How to play
Each row, column and outlined 3×3 box must contain every number from 1 to 9 exactly once. Dark numbers are clues. Use Notes for small pencil marks. Mistakes are highlighted immediately.