Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
1/3/2010
11:59:54 PM
Rare 34.5%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
1/3/2010
10:18:20 PM
Rare 39.8%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
1/3/2010
10:14:19 PM
Rare 45.1%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
1/2/2010
4:02:38 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.
1/2/2010
3:30:48 PM
Common 54.5%
Bare-knuckle Expert
Defeat ten enemies in a row with hand-to-hand combat
12/30/2009
2:21:23 PM
Rare 22.5%
