Sudoku
Face Off
Challenge yourself with the most elegant Sudoku experience. Choose your difficulty, track your progress, and face off against the ultimate puzzle.
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High Scores
Track your best times and compete with yourself
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Multiple Difficulties
From Easy to Master - challenge yourself
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Multiplayer
Challenge friends and compete together
Learn & Improve
How to Solve Hard Sudoku
Learn how to solve hard sudoku puzzles with step-by-step techniques and advanced strategies. Master X-Wing, Swordfish, and expert methods.
Learn How to Solve Hard SudokuMaster Extreme Sudoku
Ready to tackle the most challenging puzzles? Learn advanced techniques and strategies to solve extreme Sudoku puzzles.
Learn How to Solve Extreme SudokuClean, Modern Design
Experience Sudoku with a beautiful, intuitive interface that lets you focus on the puzzle.