The Waste of Space Add-on for Goat Simulator has 21 achievements.
Complete test chambers.
Wear 30 things as a hat at the same time.
Find all trophies in Space.
Find 20 trophies.
Run wild with the podracer.
Wrap a garl'eek in tinfoil.
Tag 10 walls.
Pickup a photon sword as father or good goat.
Find 10 trophies.
Visit the badehaus.
I wanna be a baahlionaire.
Headbutt Lawrence S.Windler in his lair.
Destroy 100 asteroids.
Shoot down 30 police ships.
Destroy all freighters.
Blow up all pirate ships.
Find all the pony horses.
Complete centrifuge event.
Headbutt all alien eggs.
Mine 10 pieces of channitatium.
Put a money crate in the mining shredder.