Play Sudoku Classic online game — the timeless puzzle that never goes out of style! Fill a 9×9 grid with numbers, making sure each row, column, and 3×3 box contains all digits from 1 to 9 without repeating. It’s a perfect mix of logic, focus, and strategy. Whether you’re a beginner or a brain-training pro, Sudoku Classic will keep your mind sharp and challenged. Ready to crack the code? Dive in and solve it now!