Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
3/8/2011
10:29:24 AM
Rare 39.8%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
8/3/2010
3:07:03 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.
8/3/2010
2:34:16 PM
Common 54.5%