Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
Colonel (100 points)	Defeat the PHANTOM Commander and thwart the PHANTOM invasion.
Corporal (30 points)	Destroy the first PHANTOM Dome.
General (200 points)	Accomplish all of your Missions.
Lock Smasher (20 points)	Smash the PHANTOM Lock.
Major (50 points)	Obliterate the third PHANTOM Dome.
PHANTOM Battered! (75 points)	Destroy all the PHANTOM enemies in a zone.
PHANTOM Damaged! (50 points)	Destroy all the PHANTOM enemies in a stage.
PHANTOM Vanquished! (100 points)	Obliterate every last PHANTOM enemy.
Peanut Butter Cache (25 points)	Collect 10 Peanut Butter Jars.
Peanut Butter Hoard (75 points)	Collect 99 Peanut Butter Jars.
People's Champion (75 points)	Rescue all the civilians in a zone.
People's Hero (50 points)	Rescue all the civilians in a stage.
People's Legend (100 points)	Rescue all the civilians in or around the island.
Private (10 points)	Complete the training stage.
Sergeant (40 points)	Demolish the second PHANTOM Dome.