Most sudoku apps are filled with ads. Not Evil Sudoku is not one of them.
See how fast you can solve a puzzle and keep track of your improvement.
Pick a difficulty mode that suits you.
Undo any moves you may regret.
Keep track of which numbers you think may belong in a square.
Develop a daily sudoku habit and keep track of your streak.
See your best time to solve a sudoku game in each difficulty mode.
See your progress over time and over difficulty.
Fun alternate app icons to liven up your home screen.