A little help when you need it
Use pencil notes for possible numbers, ask for a hint or undo an entry. You can turn mistake highlighting and the timer on or off.
Free Sudoku: daily puzzles and your own grids | Snacktools
Play four Sudoku difficulty levels or try the daily puzzle. Use pencil notes and hints, import a grid or print a puzzle as a PDF.
Sudoku at your own pace
How-to, tips & answers
Sudoku at your own pace
How-to, tips & answersFill every row, column and 3×3 box with the numbers 1 to 9, using each number once.
How to play
- Choose a difficulty or open the daily puzzle.
- Select a cell and enter a number. Arrow keys and number keys work on a computer.
- Pause and return to your puzzle from Saved.
Pick up where you left off
Your regular puzzle and daily puzzle have separate saves on this device. Game options also let you paste your own grid as a string of numbers or export a Sudoku PDF.
Good to know
Where do the puzzles come from?
They are made on your device from checked puzzle templates. Numbers, rows and columns are rearranged while preserving a unique solution. Everyone gets the same daily puzzle.
Do I need internet while playing?
No. The puzzle runs on your device. To reopen it offline, the page and its offline files must have finished loading beforehand.