Sudoku

Sudoku is the most popular logic-based numbers game.
The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 sub-grids that compose the grid contains all of the digits from 1 to 9.
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.