Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
12/19/2009
3:10:07 PM
Rare 34.5%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
12/13/2009
3:08:08 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.
12/11/2009
11:32:02 PM
Common 54.5%
