Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Blink Of An Eye (50 points)	Make a chain reaction last 5 seconds.
Chronomancer (50 points)	Make a chain reaction last 15 seconds.
Classic Black Belt (100 points)	Get 1,000,000 points in classic 60 mode.
Classic Brown Belt (50 points)	Get 100,000 points in classic 60 mode.
Classic White Belt (50 points)	Get 10,000 points in classic 60 mode.
Clocked Out (75 points)	Make a chain reaction last 10 seconds.
Countdown 10 (50 points)	Make it to level 10.
Countdown 15 (50 points)	Make it to level 15.
Countdown 5 (50 points)	Make it to level 5.
Final Countdown (75 points)	Make it to level 20.
Infinity Black Belt (100 points)	Get 2,000,000 points in infinity mode.
Infinity Brown Belt (50 points)	Get 200,000 points in infinity mode.
Infinity White Belt (50 points)	Get 20,000 points in infinity mode.
Minuteman (50 points)	Destroy 10 enemies with a single missile.
Seize The Minute (50 points)	Execute a death blossom.
Time Well Spent (50 points)	Unlock everything.
Wait For It (50 points)	Get a chain reaction.