Logic Masters Deutschland e.V.

Normal Sudoku Rules apply.
Place the digits 1 through 9 in each empty cell. Digits must not repeat within the same row, column, or box.

X/V
Adjacent cells connected with an X must sum to 10. Adjacent cells connected with a V must sum to 5.

Kropki
A black dot between cells indicates cell values with a 2:1 ratio. A white dot between cells indicates cells with consecutive values. Not all dots are shown.

Palindrome
Digits along a palindrome line read the same forwards or backwards.

Renban
Digits on a pink renban line must be a set of consecutive digits in any order, and must not repeat. Note: There is only one renban line.

German Whisper
Adjacent digits along each green german whisper line must have a difference of at least 5.

Thermometer
Digits along each thermometer must increase starting from the bulb end.

Play at sudokulab