Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
Barehanded (45 points)	Kill 50 players without using weapons.
Brawl Club (45 points)	Complete 1000 fights.
Elite pilot (90 points)	Complete all the 21 challenges with S rank.
Full fledged (90 points)	Complete all the 21 challenges.
Full hangar (45 points)	Complete all ship challenges.
Here it comes! (45 points)	Kill 250 players with the 'Quantic Slinger'.
Mirror, mirror (45 points)	Play 100 mirror matches.
Only the elite allowed (25 points)	Unlock the 15th challenge.
Rain of bullets (45 points)	Fire 500.000 shots.
Space Lone Wolf (45 points)	Win 25 1 vs 3 matches.
Swords in space (45 points)	Kill 250 players with the 'Plasma Sword'.
The 21 space trials (25 points)	Unlock the 21th challenge.
Today I'll kill you with... (45 points)	Complete all weapon challenges.
Train hard or go home (25 points)	Unlock the 10th challenge.
Welcome to the space academy (25 points)	Unlock the 5th challenge.
Xenocide (45 points)	Kill 4000 aliens.