Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
12/30/2009
3:11:24 PM
Rare 34.5%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
12/30/2009
3:00:45 PM
Rare 39.8%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
12/28/2009
2:59:03 PM
Rare 45.1%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
12/24/2009
10:56:54 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.
12/24/2009
10:50:39 PM
Common 54.5%
King of the Hill
Knock 10 enemies in the water in Scenario Campaign Mode.
12/6/2009
7:25:45 PM
Rare 35.9%
Bare-knuckle Expert
Defeat ten enemies in a row with hand-to-hand combat
12/1/2009
5:17:22 PM
Rare 22.5%