How to play 6×6 Sudoku
Fill the 6×6 grid so every row, column and 2×3 box contains the numbers 1 to 6 exactly once. Choose a number for each empty square and use Undo whenever you want to reconsider a move.
- Select an empty square and choose a number from 1 to 6.
- Use Undo to step back through your entries whenever you want to reconsider a move.
- Each row, column and 2×3 box must contain every number from 1 to 6 exactly once.
- Undo reverses your last entry.
- Complete every square correctly to finish the puzzle.