No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
8/26/2010
3:29:45 AM
Rare 25.3%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
8/26/2010
1:40:30 AM
Rare 30.0%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
8/26/2010
12:57:16 AM
Rare 45.1%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
8/24/2010
6:04:06 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.
8/24/2010
5:31:27 PM
Common 54.5%
You Dirty Rat
Complete Chapter 4 on any difficulty setting (Story Mode).
8/14/2010
5:06:07 PM
Rare 38.1%
Boneyard Workout
Complete Chapter 3 on any difficulty setting (Story Mode).
8/14/2010
4:25:16 PM
Rare 45.8%
Vehicular Carnage
Complete Chapter 2 on any difficulty setting (Story Mode).
8/14/2010
3:58:12 PM
Common 56.9%
