Time to face gravity
In White’s Estate, open the cellar door with one shot.
2/6/2010
7:54:30 PM
Rare 35.9%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
1/25/2010
6:15:37 PM
Rare 45.1%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
1/25/2010
5:54:16 PM
Rare 39.8%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
1/24/2010
10:12:04 PM
Rare 25.3%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
1/24/2010
9:48:28 PM
Common 57.6%