Logic Masters Deutschland e.V.

Normal sudoku rules apply (Every row, column, and 3x3 box contains the digits 1-9)
Normal arrow rules apply (The numbers along the body of the arrow must sum up to the circled square at the base of each arrow. Two digits pills are read left to right)
Normal Sandwich rules apply. (Digits on the outside of the grid indicate the sum of digits between 1 to 9 on the indicated row or column)
Grey lines are palindrome (Digits read the same when read from either side)
Normal Kropki rules apply (Digits separated by a black dot are in a ratio 1:2; Digits separted by a white dot are consecutive. Not all are given)
A V indicates that adjacent digits sum to a 5, not all are given
Play on CTC here