Sudoku
Fill the 9×9 grid so every row, column, and 3×3 box contains digits 1–9 once.
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Get our 44-puzzle printable Sudoku PDF with Easy, Medium, Hard and full answer keys — perfect for offline solving.
Game embed · SudokuBase — play responsibly
How to play
Tap a cell, then choose a number. Use notes for candidates. Easy to hard difficulties available.