Logic Masters Deutschland e.V.

Normal Sudoku rules apply.

The central digit of each box (represented by a square) has its value doubled. A digit can not appear in a square more than once.

Cells separated by a white kropki dot are consecutive.
Cells separated by a black kropki dot are in a 1:2 ratio.
Cells separated by a V sum up to 5.
Cells separated by an X sum up to 10.
Cells separated by a unicorn have the same value.
Every white kropki dot, black kropki dot, V, X and unicorn is given, and has been replaced by a gold kropki dot.

Sudokupad link