About Sudoku

Fill every row, column and 3x3 box with the digits one to nine. Every puzzle here is generated fresh and then checked to make sure it has a single solution, so it can always be worked out by logic alone - no guessing, ever. Four difficulties from a gentle Easy up to an Expert that will have you filling in pencil marks, plus a new Daily puzzle every morning. Notes, hints, undo, a timer and best times for each level.

🎮 How to play

Controls: Tap a square, tap a number. Press play, then use the restart button any time to start a fresh run. Tap the fullscreen icon for the big-screen experience.