Normal sudoku rules apply. Also, each 3x3 box uses a different number (1-9); dots show ALL the differences of that number in the box.
If you prefer to play directly in sudokupad then click below.
Normal sudoku rules apply. Also, each 3x3 box uses a different number (1-9); dots show ALL the differences of that number in the box.
If you prefer to play directly in sudokupad then click below.