Odd/Even Sudoku
In odd/even sudoku, certain cells carry a special mark: circle-marked cells must hold an odd digit, square-marked cells must hold an even digit.
Generating puzzle…
Congratulations! 🎉
Time: 0:00 · Mistakes: 0
Odd/Even Sudoku rules
- 1Rule 1
The classic row, column, and 3x3 box rules apply as usual.
- 2Rule 2
A circle-marked cell can only take an odd digit (1, 3, 5, 7, 9).
- 3Rule 3
A square-marked cell can only take an even digit (2, 4, 6, 8).
- 4Rule 4
Unmarked cells can take any digit.
Marked-Cell Sudoku more from this category
Try other sudoku variants from the same category.