Knock-knock
Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
2/17/2010
5:22:52 PM
Rare 15.2%
Look Ma Two Hands
Kill 10 enemies in a row using akimbo weapons in Single Player or Special Ops.
2/9/2010
5:28:11 PM
Rare 12.6%
Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
1/23/2010
4:13:44 AM
Rare 21.2%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
12/26/2009
8:41:16 PM
Rare 30.0%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
12/26/2009
8:30:22 PM
Rare 33.0%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
12/25/2009
4:02:30 PM
Rare 34.5%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
12/25/2009
3:44:42 PM
Rare 39.8%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
12/23/2009
11:54:27 PM
Rare 45.1%