Logic Masters Deutschland e.V.

Filomino: Divide the grid into polyominos (orthogonally connected regions) such that no two polyominos of the same size share an edge. Fill each polyomino with a digit from 1 to 9 equal to its size.
Omino-Sum Lines: The sum of the digits on a line within a polyomino must be the same for each polyomino that line visits. If a line visits a polyomino more than once, each time it visits counts separately. Each line enters at least two different polyominos.

Links:
SudokuPad: https://sudokupad.app/0sovengekq