Sudoku
Fill in digits 1–9 so every row, column and 3×3 box holds all nine with no repeats. Each board has a unique solution.
Goal: Fill the whole grid so every row, column and 3×3 box contains 1–9 with no repeats.
- Tap a cell to select it
- Tap a number on the pad to place it
- The ✎ button toggles notes (small candidates)
- The ⌫ button erases