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