Fill every row, column and 3×3 box with digits 1–9. Each digit can appear only once in each row, column and box.
DarkGames Arena
Sudoku
Choose a difficulty to begin.
Choose a difficulty to begin.
Quick guide
Fill every row, column and 3×3 box with digits 1–9. Each digit can appear only once in each row, column and box.
Easy gives more starting numbers and more help. Hard and Extreme give fewer clues, fewer hints and fewer allowed mistakes. Change it any time from the pills above the number pad — it restarts the puzzle, so you'll be asked to confirm first.
Use Pencil for notes, Hint for a safe move, and Preview results to reveal the solution.