Free Sudoku Online — Play 9×9 Puzzles — Sudoku Guru

Solve free Sudoku puzzles in your browser with multiple difficulty levels, hints, pencil marks, and daily challenges. No account required.

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EasyStart a new Easy Sudoku puzzle instantly. Use hints and pencil marks to solve at your own pace.MediumStart a new Medium Sudoku puzzle instantly. Use hints and pencil marks to solve at your own pace.HardStart a new Hard Sudoku puzzle instantly. Use hints and pencil marks to solve at your own pace.ExpertStart a new Expert Sudoku puzzle instantly. Use hints and pencil marks to solve at your own pace.

Daily SudokuOne new Sudoku puzzle every UTC day. Everyone plays the same grid — finish fast and climb the daily leaderboard.TechniquesLearn Sudoku solving techniques — naked singles, hidden singles, elimination, and more. Free guides for every skill level.

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