Achievements

Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement How to unlock
Crucible ( 5 points ) Clear the game on Normal in single player mode.
Enlistment ( 5 points ) Enter the Main Menu.
Mosquito Killer ( 10 points ) Kill 10 Mosquito enemies.
Onslaught ( 5 points ) Clear the game on Hard in single player mode.
Sandwich Man ( 10 points ) Kill 10 Sandwich enemies.
Snake Killer ( 10 points ) Kill 10 Snake enemies.
Valiant Warrior ( 20 points ) Kill 100 targets in CO-OP Mode.
Wings of Friendship ( 5 points ) Play a CO-OP Mode game.