Sudoku.fan - Free sudoku puzzles

免费，无限，轻松的数独游戏

No more pen and paper! Challenge your sudoku skills with an expert-level game or take a break with a quick game on easy mode. Whether you’re a hyper-competitive puzzle-solver or looking for a way to relax, a beginner or an expert puzzler, Sudoku for mobile is the best way to pass the time.

Choose from four different difficulty levels and start playing well formed puzzles

- 9x9 classic sudoku grid,

- Simple and clean design,

- Highlight duplicates to help you solve the puzzle,

- Pick your favourite theme for you and your eyes

- Use hints to help you find your way through a difficult puzzle,

- Use the edit mode to make notes as you solve more complex puzzles.