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