Select Game Type
Choose your favorite Sudoku type to start the challenge
Classic Sudoku
Traditional 9x9 Sudoku with 6 difficulty levels
Start ChallengeVariant Sudoku
Choose from Killer, Odd-Even, Jigsaw, Consecutive and other Sudoku variants
Start ChallengeGenerate Sudoku
Generate custom Sudoku puzzles with the powerful QQWing engine
Start ChallengeSolve Sudoku
Enter a Sudoku puzzle and get the solution with detailed rating
Start ChallengeScan Sudoku
Take a photo or screenshot of Sudoku puzzles and let the AI recognize the digits for you
Start ChallengeSudoku Hints
Analyze any Sudoku puzzle and list all solving techniques with difficulty ratings.
Start Challenge