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