Logic Masters Deutschland e.V.

Normal sudoku rules apply. The digits in each marked cage must sum to the number in the top left of the cage. Digits may not repeat in a cage. Digits may not repeat along the marked main diagonal. Digits on arrows must sum to the number in the circle. On thermometers, digits must increase from the bulb end. Lines are palindromes i.e. they read the same from each end. The puzzle can be played here