Sudoku

How to play Sudoku

Fill the 9×9 grid so every row, column and 3×3 box contains each digit 1–9. Four difficulties from Easy to Expert.

Fill the 9×9 grid so every row, column and 3×3 box contains the digits 1 to 9 exactly once.

Controls

Click a cell

Select it

1–9

Enter a digit

N

Toggle notes

H

Hint

Ctrl+Z

Undo

🎮 Gamepads work too. Remap the buttons in your account settings.