Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Alter Egos (20 points)	Raced as all the characters.
BOOOOOOST! (10 points)	Used Adrenaline Boost.
Buddy Up (10 points)	Played split screen as a Team.
Champion (40 points)	Won all Tracks.
Completionist (20 points)	Raced all Tracks.
Dastardly (10 points)	Used 5 power ups during 1 Race.
Double Boost (10 points)	Activated Adrenaline Boost when in a Jet Stream.
Fantastic Antics (20 points)	Won Arctic Antics at Hard difficulty.
Friendly Rivals (10 points)	Played split screen competitively.
Go Team! (10 points)	Played as a team and came 1st and 2nd.
Near Miss (10 points)	Finished less than 1 second behind 1st place.
One Giant Leap (10 points)	Won a Race.
One Tiny Step (10 points)	Finished a Race.
Power Up (20 points)	Used 8 different Power Ups.
SHHBLAMO! (10 points)	Used a Power Up.
Super Champion (40 points)	Won an Easy Circuit at Hard difficulty.
The Honor Roll (10 points)	Didn't use a power up during a race.
Treasure Chest (10 points)	Unlocked all Tracks and Characters.
Ultra Mega Champion (80 points)	Won a Hard Circuit at Hard difficulty.
Underdog (40 points)	Went from last place to first place and won!