Sudoku
Fill the grid without repeating a number in any row, column or box.
How it works
Tap an empty cell and pick a number (or use the keyboard). Each number appears once in every row, column and box. It starts at 4×4, moves to 6×6 and reaches 9×9 with fewer and fewer clues. Going over the mistake limit ends the game.
- 30 progressive levels, from basic to advanced
- Levels 1 to 3 free, no card