Stat Mania · Games
Sudoku
4×4, 6×6, 6×4, and full 9×9 logic puzzles — no two of a kind in any row, column, or box
Rules
- Every row uses each number exactly once.
- Every box uses each number exactly once.
- A column never repeats a number either.
- On rectangular boards, a column just won't contain every number — it's shorter than the digit range.