First Day of School
Complete 'S.S.D.D' and 'Team Player' on Veteran Difficulty.
4/17/2010
10:26:41 PM
Very Rare 7.1%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
12/22/2009
8:17:29 PM
Rare 25.3%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
11/18/2009
7:21:48 PM
Rare 34.5%
Ghost
Plant the C4 in 'Cliffhanger' without alerting or injuring anyone in the blizzard.
11/11/2009
5:00:09 PM
Ultra Rare 3.1%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
11/11/2009
12:54:18 AM
Rare 33.0%
Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
11/10/2009
7:38:56 PM
Rare 21.2%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
11/10/2009
7:37:34 PM
Rare 30.0%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
11/10/2009
7:08:09 PM
Rare 39.8%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
11/10/2009
7:00:47 PM
Rare 45.1%
Look Ma Two Hands
Kill 10 enemies in a row using akimbo weapons in Single Player or Special Ops.
11/10/2009
6:28:43 PM
Rare 12.6%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
11/10/2009
5:57:05 PM
Common 57.6%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
11/10/2009
5:26:39 PM
Common 54.5%