With 4 difficulty levels, intuitive interface, and all the functions right at your fingertips, this paid version of classic Sudoku Master app is sure to be your favorite. If you wish to exit Sudoku, the puzzle will be saved exactly as you see it! Sudoku is a logic-based, combinatorial number-placement puzzle 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. The game is completely free with minimum ads. The pro version of Sudoku master is one of the best Ad free version of Sudoku game and you can download it for free(sudoku game free download).