Keep your mind active with Sudoku puzzles! Our simple, modern design removes the distractions helping you think clearly. Try it today! The objective is simple: fill the 9×9 grid with digits so that each column, row, and 3×3 sub-grids contain each digit from 1 to 9. Sudoku features: - Daily Challenge - Four levels (easy, medium, hard, and expert) - Numbers are removed when all 9 instances are placed - Store Notes to track possible numbers - Hint (fill in missing number when you are stuck) - Statistics Download today for mind-challenging fun.