Complete each achievement to get the allotted gamerscore.
Achievement - How to unlock
Ace Wingman (20 points) - Finish Co-op game on Hard
Alien Eradicator (10 points) - Earn 5 Stars on all 25 Levels on Normal
Combat Pilot (10 points) - Finish Solo game on Normal
Communications Officer (10 points) - Complete Level 5 in an Xbox LIVE Co-op match
Earth Defender (10 points) - Earn 5 Stars on any Level, on any Difficulty
Flight Commander (20 points) - Finish Solo game on Hard
Hero of Vanguardia-7 (35 points) - Earn 5 Stars on all 25 Levels on Hard
Invincible (30 points) - Finish game without losing a life
Prototype Pilot (5 points) - Complete Level 2 on any Difficulty
Scourge of the Skurgians (20 points) - Achieve 10,000,000 points
Squadron Leader (10 points) - Finish Co-op game on Normal
Survivor (20 points) - Complete 5 Levels without losing a life
