The Goat MMO Simulator Add-on for Goat Simulator (Xbox 360) has 16 achievements worth 640 gamerscore.
Enjoy your trip
Unlock the mermaid mutator
Visit all zones on the MMO level
Do a lot of hurt. With your butt.
Do a card trick at the magician
Get deviously trapped again
Unlock the wheel of time mutator
Jump on the launchpad
Trash the server room
Unlock the ExcaliGoat mutator
Find all the trophies on the MMO Level.
Baa with the choir
Jörgen
OMG IS THAT WHAT I THINK IT IS?
It never erupts when you want it to.
Unlock the gravity goat mutator