←SUDOKU
nine digits. no repeats.
- Fill the grid so every row, column and 3×3 box has the digits 1 to 9 exactly once.
- Tap a square, then tap a number. Tap a number first with nothing selected to light up every square that has it.
- Turn on Notes to pencil in small candidates. Placing a digit clears it from the notes around it.
- Wrong digits show in red and count as a mistake. There's no limit, but a clean solve feels better.
- You get 3 hints per puzzle. The Daily is the same puzzle for everyone today, and your progress saves if you leave.