Logic Masters Deutschland e.V.

Rules:

The pink ears are renban lines. Digits along the line must be consecutive in any order.

Digits in a cage must add to the total in the top left corner.

Digits separated by a white dot are consecutive. Digits separated by a black dot are in a 1:2 ratio.

Digits separated by an X add to ten. Digits separated by a V add to 5.

The digit in a grey circle is odd.

The face is an entropic line. Every set of three digits along the line must have a low, medium and high digit.

The mouth is a region sum line. Box borders divide the line into segments with the same sum.



Play it on SudokuPad.