Puzzle

Sudoku

Fill the 9×9 grid with digits 1-9 so every row, column, and 3×3 box contains each digit exactly once!

How to play

Click an empty cell to select it (amber highlight). Click 1-9 button below to enter. Wrong digits show in red. Erase clears entry. Gray clue cells cannot change. Fill every cell correctly to win. Faster = better.