A simple Sudoku game with minimal graphics to guarantee a non-distracting gameplay.

The user interface is easy and fast - starting a new Sudoku or continuing right where you left off is just one click away. There are no loading screens.
Don't worry about finishing up a Sudoku game, if you are in a hurry just leave the app in any other way and the app will take care of saving your progress.

Features:
- Pencil marks (with automatic removal)
- 5 Difficulty levels
- Workes offline
- Digit highlighting
- Count remaining digits
- Automatic saving
- Undo
- Optional debugging of wrong digits
- Multiple color themes to choose
- Highscore

Enjoy!