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Sudoku
Fill the 9x9 grid so every row, column and box contains 1-9. Free, no sign-up.
Mistakes
0/3
Time
0s
About this game
A freshly generated Sudoku puzzle every time, with a guaranteed unique solution. Fill every row, column, and 3x3 box with the digits 1 through 9 with no repeats.
How to play
- 1Pick a difficulty.
- 2Click an empty cell to select it.
- 3Type a number (1-9) or click the number pad to fill it in.
- 4Wrong numbers count as a mistake — 3 mistakes ends the game.
- 5Fill every cell correctly to win.
FAQ
Is every puzzle solvable?
Yes, every puzzle is generated from a fully solved, valid grid with cells removed, so a solution always exists.
What happens after 3 mistakes?
The game ends. Start a new puzzle to try again.