Take advantage of Automatic Annotation for effortless calculations of your achievements. Track your patterns with helpful stats and improve your game as you progress.
1. Totally FREE and No Ads.
2. 5 levels of difficulty
3. Undo/Redo and Autosave
4. Standard Sudoku, Sudoku-x, Hyper Sudoku, Percent Sudoku, Color Sudoku and Squiggly Sudoku.
5. Global Leaderboards support. Our rating system awards you points for each puzzle solved based on difficulty.
Please kindly note that the permissions needed for this game is only used for the online leader board. Thanks.