Are you Stuck on a 9*9 sudoku puzzle in a newspaper or magazine? Need Help ? this App can help you with finding the solution of the sudoku Puzzle . Simply enter the known digits and get the solution instantly! Basic rules to play Sudoku!!! 1) Number 1 to 9 should be used 2) Total cell to fill 81 3) sudoku grid must be filled so that every column, row must contain a number once . 4) every 3*3 i.e 9 cells block should not have any number repeated. 5) the Difficulty level is defined as Hard, Intermidiate and Hard. Difficulty Level is defined based on below facts. The amount of numbers given, which ones, and their placement within the grid determine the difficulty of the puzzle.