Unlock Xbox Live Gamerscore points, by completing the following Achievements. Earn those points!

Achievement	How to unlock
Four of a Kind ( 25 points )	Reach level 10 with all character classes.
Goblin Hunter ( 20 points )	Kill 1000 Goblins.
Into The Deep ( 10 points )	Complete Chapter 2 - The Depths.
Iron Man ( 25 points )	Log 24 Hours of Gameplay.
Left in Ruins ( 10 points )	Complete Chapter 1 - Ruins of Tethyamar.
Man at Arms ( 20 points )	Collect 1 of every weapon in the game.
Open Wide ( 10 points )	Complete Chapter 3 - The Mouth of the Void.
Raze the Dalelands ( 10 points )	Complete Chapter 4 - The Altar of Bane.
Solid Gold ( 20 points )	Have 100 000 gold in your bag at one time.
Thank you for being a friend ( 15 points )	Complete Co-Op campaign.
The Big Stick ( 25 points )	Deal 75 damage with a single attack.
Welcome to Tethyamar ( 10 points )	Complete Tutorial - Descent into Darkness.