No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
1/2/2010
12:17:06 AM
Rare 25.3%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
1/1/2010
10:08:34 PM
Common 57.6%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
1/1/2010
10:03:51 PM
Common 54.5%