Logic Masters Deutschland e.V.

Rules:

Normal Sudoku rules apply.

Dutch Whisper: Adjacent digits along an orange line (thinner lines) must differ by at least 4.

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

Kropki Dots: Digits separated by a white dot are consecutive. If two digits are separated by a black dot, one is double the other.

Play on SudokuPad