Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Ace ( 20 points )	Defeat 5 ships in a Ranked Xbox LIVE match without respawning.
Commando ( 10 points )	Earned Commando Tattoo (15 Frags in a Melee Match).
Deathstroke ( 20 points )	Finish in first place in any Ranked Free For All match.
Dogfight ( 10 points )	Shot down first pilot in a Xbox LIVE game.
Gunfighter ( 20 points )	Win a Ranked Duel with each ship type.
Hibernation ( 20 points )	Reach a streak of 5 in a Bearpit game.q
Hot Dog ( 20 points )	Complete each Ring Game difficulty level.
Navigator ( 10 points )	Travel through every gold jump gate in the game.
Paladin ( 30 points )	Shoot down 1000 pilots on Xbox LIVE.
Retro ( 10 points )	Reach wave 20 in Meteor Storm.
TCS Tiger's Claw ( 10 points )	Compete in a 16 player Capital Ship game.
Untouchable ( 20 points )	Reach wave 10 in Gauntlet without ever taking damage to your hull.