Sudoku Holic

Greatest sudoku game ever played!! Challenge yourself to more than 10000 and 4 levels of difficulty. Features: 4 levels, easy, normal, hard, very hard. 3 Types Hints Auto-save, Game Rules : 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 contains all of the digits from 1 to 9.