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

Achievement	How to unlock
Altruist ( 20 points )	Complete 100 percent of the Vigils in the Memorial.
Calamity Kid ( 30 points )	Complete the story in New Game Plus.
Kid-at-Arms ( 10 points )	Use the Forge to apply at least one upgrade to every weapon.
Mind Voyager ( 20 points )	Complete each trip to Who Knows Where.
Pet Sitter ( 10 points )	Get four different domesticated creatures in the Bastion.
The Beginning ( 20 points )	Complete the story, embracing the New World.
The End ( 20 points )	Complete the story.
The Singer ( 20 points )	Complete Prosper Bluff and speak with the Singer in the Bastion.
The Stranger ( 10 points )	Complete the Wharf District.
The Survivor ( 10 points )	Complete the Hanging Gardens and speak with the Survivor in the Bastion.
The Ura ( 20 points )	Stop the siege on the Bastion.
Vigilante ( 10 points )	Complete at least 50 percent of the Vigils in the Memorial.