Sudoku
Fill every row, column, and 3×3 box with the digits 1 through 9.
Sudoku✕
Mistakes: 0Time: 0:00Best: —
How to play
- Click a cell, then type 1–9 or tap a number below the board. Backspace clears it.
- Every row, every column, and every 3×3 box must contain each digit exactly once.
- Turn on Notes to jot pencil marks, and Check to highlight conflicting cells.
- Bold digits are the puzzle's givens and can't be changed. Every puzzle has exactly one solution.
- Your best time per difficulty is saved on this device.