Here is the full list of all 36 Deponia Doomsday achievements. It takes around 10-12 hours to unlock all of the achievements on Windows.
Go through all portals.
Use the milk on yourself.
Wait until the countdown should be finished.
Head the power inverter during slow-motion.
Press the jukebox until you get a song.
Let the goat hop from flag to flag a lot of times.
Your party be damned, let them all die.
Save your party, let nobody die.
Order a sausage from the sausage bot many times.
Annoy the sea monster until it snaps.
Find the dolphin.
Dump a lot of hot coal into your crotch.
Never pick up the paintball gun.
Let Rufus eat a lot of icecream.
Slingshot the elephant before he can say anything.
Give Tuck all possible gun variants.
Don't put the fruit to the middle square.
Get distracted by a fewlock while three bars are glowing.
Please put the torch back where it belongs.
I told you: do not tempt endings!
Logic is the last resort of the uninspired.
What a wild ride it has been...
Create every jackalope and clone it.
Find the scaffolding!
He is a true romantic
Collect all photo variants before you take the final snapshot.
The perfect place for mayhem
Successfully complete all minigames on Elysium
Mix the drink first, then grind down the maggot.
Reach almost 10000 fun points.
Slightly above body temperature
Did anyone get that?
Destroy many, many toilet seats.
Sucessfully complete all minigames in Kuvaq
Welcome back to Deponia
He doesn't deserve any better! Kick the Fewlock as often as you can.