Logic Masters Deutschland e.V.

RULE SET:

Normal Sudoku rules apply. Place the digits 1 through 9 in each row, column, and box.

GERMAN WHISPER (GREEN): Adjacent digits along a green German Whispers line must differ by at least 5. Digits may repeat if other rules allow.

ZIPPER (Lavender): Pairs of digits equidistant from the center of a lavender zipper line must sum to the digit in the middle of that line (noted by a lavender dot). Digits may repeat on lines if other rules allow.

KROPKI: Black dots are a 1:2 ratio. White dots are consecutive. Not all dots are given.

Click the Link to Play: Sudokupad