Sudoku is a popular number puzzle game that challenges logic and problem-solving skills. Played on a 9x9 grid divided into smaller 3x3 boxes, the goal is to fill each row, column, and box with digits from 1 to 9 without repeating any numbers. Some numbers are pre-filled as clues to guide the player. The puzzle requires patience, attention to detail, and strategic thinking to complete. Sudoku comes in varying difficulty levels, from easy to expert, making it suitable for beginners and seasoned players alike. Its simple rules and engaging gameplay have made it a favorite pastime worldwide, often featured in newspapers, magazines, and digital apps. Whether for relaxation or mental exercise, Sudoku provides a satisfying challenge for puzzle enthusiasts.