Sudoku

Fill the 9×9 grid so every row, column and box holds 1–9. Chain correct answers for combo bonuses against the clock.

How to play Sudoku

1. Tap an empty square, then tap a number to place it. Each row, column and 3×3 box must hold the digits 1–9 with no repeats.
2. A correct number locks in and scores — chain correct answers for a rising combo multiplier. A wrong number costs a strike; three strikes ends the run.
3. Stuck? Spend a Hint to reveal a square. Solve the whole grid for a big bonus and a harder puzzle — rack up as much as you can before time runs out.

What it asks of you

Deduction — there is no guessing that pays.

Is it fair?

Every player in your group gets the identical Sudoku board, generated on the server from one shared seed. Scoring has no random element, so the same play produces the same score for everyone, and opponents are matched by an Elo rating earned from results.