Play classic

A quiet challenge

Find your focus.

Fill every row, column and 3 × 3 box with the numbers 1–9.

DifficultyMedium

Time00:00

Mistakes0 / 3

Select an empty square to begin.

Choose difficulty

1–9 to enter · N for notes · Arrow keys to move

✦

Puzzle complete

Beautifully done.

You completed the puzzle.