Game field

The typical sudoku screen. The red number (5) means that it is placed in a wrond place. Really, there is already another 5 in this column!

Game menu

This is how the game menu looks like.

Difficulty

There are 4 standard difficulty levels in this game and an option to create your own one!

Pencilmarks

Pencilmarks will help you to track possible number positions.

Done!

Sudoku is solved! What about starting the new one?