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