Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
1/3/2010
3:33:07 PM
Rare 34.5%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
1/2/2010
2:58:18 PM
Rare 45.1%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
1/2/2010
12:34:49 AM
Rare 39.8%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
12/31/2009
2:58:46 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.
12/31/2009
11:43:46 AM
Common 54.5%
Run-and-Gunner
Defeat 20 enemies by shooting from the hip (without aiming with L1)
11/4/2009
2:55:12 PM
Rare 21.3%
