Logic Masters Deutschland e.V.

Normal sudoku rules apply.

Fog - The grid is covered in fog, which clears as digits are correctly placed in nearby cells. No guessing should be required.

Kropki Dots - Digits separated by a white dot are consecutive, and digits separated by a black dot are in a 1:2 ratio.

German Whispers - Digits along a green line differ by at least 5 with their neighbors on the line.

Renban Lines - Digits along a pink line form a continuous, non-repeating set in any order.

Parity Lines - Digits along a red line alternate in parity, i.e., even or odd.

Region Sum Lines - Blue lines are separated by the thick region lines into segments which all have the same sum.

Palindromes - Digits along a gray line read the same in either direction.