Knock-knock
Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
12/20/2009
12:06:13 PM
Rare 15.2%
Downed but Not Out
Kill 4 enemies in a row while downed in Special Ops.
12/19/2009
9:22:22 PM
Very Rare 5.8%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
11/20/2009
11:02:29 PM
Rare 33.0%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
11/17/2009
10:28:40 PM
Rare 17.0%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
11/17/2009
10:16:05 PM
Rare 30.0%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
11/16/2009
7:44:30 AM
Rare 39.8%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
11/15/2009
11:44:43 AM
Rare 45.1%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
11/15/2009
10:25:59 AM
Rare 34.5%