The Sudoku puzzle begins with a 9x9 grid that already contains some numbers. A completed puzzle is one where each number from 1 to 9 appears only in each of the 9 rows,columns and blocks. Study the grid to find the numbers that might fit into each cell. 1.Classic sudoku game 2.Numerous beautiful themes 3.Improve logical thinking ability 4.Completely free game 5.Fun-filled gaming experience