开心做数独

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.

This is a simply easy-to-use sudoku game, with fresh and cool interface, very acceptable difficult levels, suitable for sudoku beginner to sudoku expert.

Features:

5 levels: beginner, easy, medium, difficult and expert

Pencil marks

Hints to help you complete hard ones

Auto-save

More puzzles will be comming soom!