The MMO Add-on for Goat Simulator has 16 achievements worth 640 gamerscore.
Get deviously trapped again
Trash the server room
Unlock the wheel of time mutator
Unlock the gravity goat mutator
Jump on the launchpad
OMG IS THAT WHAT I THINK IT IS?
Do a lot of hurt. With your butt.
Do a card trick at the magician
It never erupts when you want it to.
Unlock the mermaid mutator
Jörgen
Enjoy your trip
Unlock the ExcaliGoat mutator
Baa with the choir
Find all the trophies on the MMO Level.
Visit all zones on the MMO level