No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
7/10/2010
10:54:27 PM
Rare 25.3%
Gravity is a Bitch!
Kill 30 enemies by using the grappling hook and making them fall to their death.
4/3/2010
7:06:25 PM
Rare 23.4%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
11/15/2009
3:24:09 PM
Rare 33.0%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
11/12/2009
8:59:13 PM
Rare 34.5%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
11/11/2009
5:45:59 PM
Rare 45.1%