Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
BARE GRILLS (60 points)	Win a game of Survivor without dying once.
BLOODY MARY (60 points)	Kill an enemy by deflecting his own Sniper shot with the Pulse.
BRAWLER (30 points)	Kill 20 enemies by using the Pulse as a melee weapon.
BUCKSHOT (50 points)	Kill 2 enemies with a single Shotgun burst.
BULLSEYE (50 points)	Kill 3 enemies with a single Sniper weapon .
BUZZKILL (50 points)	Kill an enemy by deflecting a Buzzsaw.
COUCH PARTY (50 points)	Play 3 matches of any mode with a full lobby of people.
FIGHT TO THE END (70 points)	Win a game of Nuke King by surpassing the leading player via the last Nuke explosion.
GOTTA UNLOCK 'EM ALL! (60 points)	Unlock all 12 ships.
ICARUS (30 points)	Use the pulse to push an enemy into the sun.
LEVEL UP! (30 points)	Unlock your first ship.
LITERALLY ROCKET SCIENCE (30 points)	Stay in orbit around the sun for a full 10 seconds without thrusting.
MINESWEEPER (30 points)	Destroy 30 mines.
ROCKET WARS MASTER (100 points)	Get all achievements in Rocket Wars.
SHUT-DOWN (40 points)	Kill a player who has the Nuke within 1 second of him getting it.
SPACE CADET (30 points)	Kill 50 enemies.
SPACE TYRANT (50 points)	Kill 150 enemies.
SPACE WARLORD (70 points)	Kill 500 enemies.
TIMBER! (60 points)	Get a triple-kill with the Buzzsaw.
UNTOUCHABLE (50 points)	Detonate the Nuke without taking damage.