Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
1/17/2012
1:56:31 PM
Rare 21.2%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
1/15/2012
2:57:15 PM
Rare 33.0%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
12/27/2011
2:04:43 PM
Common 54.5%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
12/27/2011
1:09:23 PM
Rare 39.8%