Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
"Chaudown" ( 30 points )	Unlock and call all strikers.
Armed And Dangerous ( 20 points )	Defeat at least 200 enemies using interactive objects.
Dirty Trick ( 10 points )	Defeat an enemy by throwing an object at him while he's already down.
Get The Girl ( 10 points )	Clear the game once with Scott.
Gourmet ( 20 points )	Eat every food items.
Invulnerable ( 10 points )	Play through a World and reach the boss without getting hit.
New Challenger ( 10 points )	Defeat Matthew Patel without losing a life.
One Man Army ( 20 points )	Clear the game in single player on the "Supreme Master" difficulty setting.
Shopaholic ( 20 points )	Buy all the items of a shop.
The Power Of Friendship ( 20 points )	In a multiplayer game, reanimate another player at least 25 times.
Twin Dragons ( 10 points )	Defeat the Twins simultaneously.
Vigilante ( 20 points )	Defeat all enemies in a World, excluding the boss.