Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
... Oops. (20 points)	Complete "I'm Probably Dead"
Epic Troll Stash (20 points)	Complete "Epic Troll Stash"
Evil Things with Crazy Teeth (30 points)	Complete "Toxic Treasures - Stage 10"
Go Gnome! (30 points)	Destroy 100 Garden Gnomes in successful missions
Loot Legend (30 points)	Loot 300 Treasure Chests in successful missions
Talented Builder (40 points)	Build 500,000 Structures in successful missions