Deponia Doomsday

Rufus's mustache: character growth or joke?

Does the mustache actually represent something about Rufus changing, or is it just peak Deponia absurdist humor? What's your take?

Time travel logic: does it hold up?

How satisfied were you with the explanation for how the timeline stuff actually works? Any plot holes that bugged you?

Best puzzle in Doomsday?

What was the most satisfying puzzle to solve? Did any feel unfair or require ridiculous adventure-game logic?