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Sudoku — Free Online Puzzle Game | ToolBox | Toolsy

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Home Tools GamesSudoku

Sudoku

Free

Classic 9×9 number puzzle with easy, medium, and hard difficulty.

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About Sudoku

Play classic Sudoku in your browser. Choose easy, medium, or hard difficulty — puzzles are generated fresh every game. Fill in every row, column, and 3×3 box with the digits 1–9 without repeating. Errors are highlighted instantly. A timer tracks your speed and your best times are saved to the leaderboard.

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