Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Clockstopper ( 30 points )	End a game on exactly 99990 points Asteroids - normal difficulty.
Fugitive ( 10 points )	Survive for 3 minutes on your first life Asteroids DeLuxe - normal difficulty.
Hero ( 15 points )	Have 4 lives in hand Asteroids DeLuxe - normal difficulty.
Lunatic ( 15 points )	Earn a bonus life Asteroids DeLuxe - Throttle Monkey mode.
Maniac ( 15 points )	Earn a bonus life Asteroids - Throttle Monkey mode.
Mayhem ( 10 points )	Have a Saucer and 6 Killer Satellite sections on screen Asteroids DeLuxe - normal difficulty.
Pinpoint ( 30 points )	Complete wave 3 with 42 shots or less Asteroids DeLuxe - normal difficulty.
Platinum ( 20 points )	Score 250,000 points Asteroids DeLuxe - normal difficulty.
Precision ( 10 points )	Complete wave 1 with 28 shots or less Asteroids - normal difficulty.
Rockstorm ( 20 points )	Have 24 Asteroids on screen Asteroids - normal difficulty.
Ruthless ( 10 points )	Destroy 10 Saucers without letting any escape Asteroids - normal difficulty.
Superstar ( 15 points )	Have 4 lives in hand Asteroids - normal difficulty.