Logic Masters Deutschland e.V.

This puzzle is the result of trying to bring in many different elements, that would somehow still be linked. Enjoy! Viel Spass!

The rules for this Sudoku:
1) Normal Sudoku rules apply.
2) Digits along arrows must sum to the digit in that arrow's circle. Digits may repeat along an arrow, if allowed by other rules.
3) In cages, digits must sum to the small clue in the top left corner of the cage. Digits cannot repeat within a cage.
4) Digits in cells connected by a black dot must have a ratio of 2:1. Digits in cells connected by a white dot must be consecutive. All dots may not be given.
5) Clues outside the grid give the sum of the digits along the indicated diagonal.
6) Along thermometers, digits increase from the bulb.
7) Grey circles show odd digits, grey squares show even digits.

Here is a link to play: F-Puzzle link