Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
A Lich to Scratch ( 10 points )	Defeat the Overseer.
Big and Green and Dead All Over ( 10 points )	Defeat Krag.
Enchanted ( 20 points )	Successfully enchant one item 5 times.
Enchantment Overload ( 20 points )	Successfully enchant one item 10 times.
Fetch a Fair Price ( 10 points )	Send your pet to town.
Only a Master of Evil ( 50 points )	Defeat Alric.
Over the Brink ( 10 points )	Defeat Brink.
Purple People Defeater ( 10 points )	Defeat Medea.
Shape-Shifter ( 10 points )	Change your pet by feeding it fish.
Superstar ( 30 points )	Achieve maximum fame.
Tree Hugger ( 10 points )	Defeat the Root Golem.
When this Town's a Rockin' ( 10 points )	Defeat the Ember Colossus.