Sudoku
Click a square, then type a number or use the pad below. Conflicts are highlighted as you go.
Last updated
0Seconds
–Best time
Fill the grid so every row, column, and 3×3 box has 1–9
About this game
Every puzzle is generated fresh and checked to have exactly one solution before it's shown to you. Fixed clues are shown in a darker color; your entries are highlighted in red if they conflict with the same row, column, or box. Your best time per difficulty is saved on this device.