Logic Masters Deutschland e.V.

Normal Sudoku rules apply.

German Whisper: Adjacent digits along a green line have a difference of at least 5.

Renban: Digits along a purple line form a set of consecutive digits in any order.

Parity Line: Along the red line, every pair of consecutive cells on the line must contain one odd digit and one even digit.

Nabner: Digits along a yellow line form a set of non-consecutive digits in any order.

Arrows: Digits along an arrow sum to the number in the attached circle.