Sudoku

All games
Fill the 9×9 grid so every row, column and box has 1–9. Four difficulties, notes and hints.
Well done!

Options
Difficulty
Timer
0:00
Mistakes
0
Notes
Pencil-mark candidates
How to play
  • Tap a cell, then pick a digit from the number pad or press 1–9 on your keyboard.
  • Every row, column and 3×3 box must contain each digit from 1 to 9 exactly once.
  • Turn on Notes to pencil in small candidate marks instead of a final answer.
  • Use Hint to reveal the correct value of the selected cell, or Check to flag mistakes.
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