Grind it Out
Win a match with 10 men Online or when playing on Professional difficulty or higher
5/23/2010
9:03:47 PM
Rare 32.2%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
5/10/2010
10:33:33 AM
Rare 30.0%
Professional
Earn all 3 stars in at least 15 different Special Op missions.
5/9/2010
8:47:50 PM
Ultra Rare 3.2%
Knock-knock
Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
5/9/2010
8:25:54 PM
Rare 15.2%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
5/9/2010
1:24:28 AM
Rare 17.0%
Operative
Earn all 3 stars in at least 10 different Special Op missions.
5/9/2010
1:17:40 AM
Very Rare 5.6%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
5/7/2010
8:17:30 PM
Rare 25.3%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
5/7/2010
8:12:30 PM
Rare 34.5%
Operational Asset
Earn all 3 stars in at least 5 different Special Op missions.
5/7/2010
8:05:48 PM
Very Rare 9.7%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
5/6/2010
8:37:57 PM
Rare 45.1%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
5/6/2010
8:15:59 PM
Rare 39.8%