Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
12 Days of Pandora ( 30 points )	Mastered the technology of Pandora.
Destroyed The Destroyer ( 50 points )	Killed the Vault Boss.
Destroyed the Hive ( 40 points )	Killed the Rakk Hive.
United We Stand ( 35 points )	Defeated the Rakk Hive, the Vault Boss, Sledge, Krom, or Flynt in a co-op game.
Wanted: Flynt ( 30 points )	Killed Flynt.
Wanted: Krom ( 20 points )	Killed Krom.
Wanted: Sledge ( 10 points )	Killed Sledge.
You're on a boat! ( 15 points )	I bet you never thought you'd be here.