Sudoku is the most loved puzzle game of all time. An online game based on the arrangement of numbers according to logic. The goal of Sudoku is to enter the digits in a 9×9 square box so that each row, each column and each 3×3 plot contains all the numbers 1 to 9. Sudoku does not require any calculation or thorough. Any unique mathematical ability, all that is needed is thinking and concentration. Sudoku is suitable for all ages.