Do you love Sudoku and want to play against a friend? Battle Of Sudoku is a multiplayer version of the puzzle game of Sudoku that you play against other players or a team. The primary objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids (also called "boxes", "blocks", or "regions") contain all of the digits from 1 to 9. Before you start a new puzzle, you can set the difficulty level in the game options to a number between 1-6. One is the ea