Knock-knock
Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
3/31/2010
5:37:17 PM
Rare 15.2%
Operative
Earn all 3 stars in at least 10 different Special Op missions.
3/20/2010
12:05:31 AM
Very Rare 5.6%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
12/11/2009
10:54:50 PM
Rare 17.0%
Downed but Not Out
Kill 4 enemies in a row while downed in Special Ops.
12/11/2009
10:49:21 PM
Very Rare 5.8%
Operational Asset
Earn all 3 stars in at least 5 different Special Op missions.
12/11/2009
6:00:55 PM
Very Rare 9.7%
Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
12/9/2009
11:36:33 PM
Rare 21.2%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
12/9/2009
11:01:46 PM
Rare 25.3%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
12/9/2009
9:56:21 PM
Rare 30.0%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
12/7/2009
11:27:03 PM
Common 54.5%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
12/7/2009
11:12:25 PM
Rare 34.5%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
11/21/2009
9:25:50 PM
Rare 45.1%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
11/21/2009
9:13:36 PM
Rare 39.8%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
11/21/2009
2:48:18 PM
Common 57.6%