Ghost
Plant the C4 in 'Cliffhanger' without alerting or injuring anyone in the blizzard.
12/4/2009
4:22:37 PM
Ultra Rare 3.1%
First Day of School
Complete 'S.S.D.D' and 'Team Player' on Veteran Difficulty.
12/4/2009
4:14:22 PM
Very Rare 7.1%
Drive By
Kill 20 enemies in a row while driving a vehicle in Single Player or Special Ops.
12/1/2009
4:03:47 PM
Very Rare 8.1%
Operative
Earn all 3 stars in at least 10 different Special Op missions.
12/1/2009
2:44:29 PM
Very Rare 5.6%
Knock-knock
Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
12/1/2009
5:05:38 AM
Rare 15.2%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
11/30/2009
4:32:33 PM
Rare 17.0%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
11/30/2009
1:53:33 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.
11/29/2009
3:49:28 PM
Rare 30.0%
Operational Asset
Earn all 3 stars in at least 5 different Special Op missions.
11/29/2009
3:01:17 PM
Very Rare 9.7%
Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
11/18/2009
4:27:59 PM
Rare 21.2%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
11/13/2009
8:12:33 PM
Rare 33.0%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
11/13/2009
6:22:52 PM
Rare 34.5%