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 intece, 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!