No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
11/13/2009
2:06:16 AM
Rare 25.3%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
11/13/2009
2:02:22 AM
Rare 33.0%
Gunslinger
Get kills using a pistol, rifle, submachine gun, and grenade in a mission without dying
11/13/2009
12:23:02 AM
Rare 48.1%