Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
12/22/2009
2:38:34 PM
Rare 34.5%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
12/22/2009
2:15:39 PM
Rare 39.8%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
12/15/2009
2:58:29 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.
12/15/2009
2:28:31 PM
Common 54.5%
