Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Beyond Good And Evil (40 points)	My hero, you have successfully saved the world!
Boss Attack (20 points)	Your skill is top notch!
Chao Raiser (20 points)	Time to raise your Chao.
Chao! (20 points)	Welcome to the Chao World!
DARK! (20 points)	You have cleared our DARK story.
Emblem Collector (40 points)	Half way to go!
HERO! (20 points)	You have cleared our HERO story.
Heaven or Hell (40 points)	You have successfully unlocked the HERO and DARK gardens.
Hello World (20 points)	Hello, rookie, welcome to the Sonic World!
Mission Complete (20 points)	Now you are the master of this stage.
Speedy Racer (40 points)	Excellent driving skills!
You Are The Legend (100 points)	You are the Sonic expert now!