All variants
Variant
Kropki (negative)
Same rules. Different mysteries.
Normal sudoku rules apply: each row, column and box holds 1 to 9 once. Kropki (negative) clues add their own constraint. Each case's brief has the exact wording.
Variant
Same rules. Different mysteries.
Normal sudoku rules apply: each row, column and box holds 1 to 9 once. Kropki (negative) clues add their own constraint. Each case's brief has the exact wording.