Sudoku is a puzzle classic to help you sharpen your logic and problem-solving skills! It’s an activity where one has to fill a 9×9 grid by numbers ranging from 1 to 9, such that no number repeats in any row, column, or 3×3 section. This online version is for easy, medium, and hard difficulty levels, so you can play at your own pace. A timer will keep track of your progress, and there is a hint button when you get stuck. Whether you are a beginner or an experienced player, Sudoku is a great way to exercise your brain while having fun. Are you up for the challenge? Start playing now!