Logic Masters Deutschland e.V.

I created this puzzle on August 24, 2021. I'm still fairly new to constructing puzzles, so ratings and comments are appreciated! Hope you enjoy it!

Rules:

Normal sudoku rules apply.

Killer: Digits with a cage must sum to the given number.

Skyscraper/Sandwich: Clues outside of the grid are simultaneously skyscraper and sandwich clues.

Skyscraper: Numbers in the grid represent the heights of skyscrapers. Numbers outside the grid indicate the amount of visible skyscrapers in that row/column as seen from that vantage point.

Sandwich: The numbers outside the grid indicate the sum of the digits between the 1 and the 9 in that row/column.

Solve on F-Puzzles

Solve on Cracking the Cryptic

Puzzle: