KLYSTORA · SUDOKU
A calm daily 9×9 sudoku
Fill every row, column, and 3×3 box with the numbers one through nine exactly once.
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How to play Sudoku
Play a free daily 9×9 sudoku with notes, hints, and saved progress. No account or download required.
Frequently asked questions
Is Klystora sudoku free?
Yes. The daily sudoku, notes, hints, and practice mode are free.
Can I use notes?
Yes. Turn on Notes to pencil in candidates while you solve.
Does the puzzle work offline?
The app is designed to cache its interface and save your local progress on the device.