Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
3/3/2010
3:06:35 PM
Rare 39.8%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
2/28/2010
6:48:00 PM
Common 54.5%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
2/28/2010
6:18:21 PM
Common 57.6%