Logic Masters Deutschland e.V.

Play it here on F-Puzzles

Normal Sudoku Rules apply

Starbattle: Two of the digits act like stars: they cannot touch each other (or themselves), even diagonally. Which of the two digits act like stars, has to be deduced.

3D-Sandwich: Numbers (or sums) sandwiched between two stars (horizontally, vertically and diagonally!) have to be divisible by the sum of the sandwiching stars.

Arrow: Digits along an arrow sum to the number in the circle