Sudoku description

Sudoku is the most popular logic-based numbers game.
The aim of the game is to place 1 to 9 into each grid cell so that each number can only appear once in each row, each column and each mini-grid.

Features:
3 modes: Classic, Popular, Xonix
4 levels: easy, medium, hard and master
themes: built-in some themes to change
Auto-save, redo and undo unlimited
Pencil marks
Hints to help you complete hard ones
Record your game history
More puzzles will be coming soon!