Knock-knock
Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
12/8/2009
3:36:33 PM
Rare 15.2%
Operative
Earn all 3 stars in at least 10 different Special Op missions.
11/26/2009
11:15:59 AM
Very Rare 5.6%
Operational Asset
Earn all 3 stars in at least 5 different Special Op missions.
11/21/2009
11:15:07 AM
Very Rare 9.7%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
11/19/2009
9:15:50 AM
Rare 25.3%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
11/14/2009
4:12:43 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.
11/12/2009
12:45:08 PM
Rare 30.0%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
11/12/2009
8:03:21 AM
Rare 33.0%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
11/11/2009
3:53:59 PM
Rare 45.1%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
11/11/2009
3:42:02 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.
11/11/2009
3:10:42 PM
Common 54.5%