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