Downed but Not Out
Kill 4 enemies in a row while downed in Special Ops.
4/21/2010
9:02:56 PM
Very Rare 5.8%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
3/12/2010
2:13:29 PM
Rare 25.3%
Ghost
Plant the C4 in 'Cliffhanger' without alerting or injuring anyone in the blizzard.
12/30/2009
5:37:37 PM
Ultra Rare 3.1%
First Day of School
Complete 'S.S.D.D' and 'Team Player' on Veteran Difficulty.
12/30/2009
5:16:03 PM
Very Rare 7.1%
Professional
Earn all 3 stars in at least 15 different Special Op missions.
12/30/2009
4:20:12 PM
Ultra Rare 3.2%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
12/16/2009
8:11:04 PM
Rare 17.0%
Operative
Earn all 3 stars in at least 10 different Special Op missions.
12/16/2009
7:47:21 PM
Very Rare 5.6%
Look Ma Two Hands
Kill 10 enemies in a row using akimbo weapons in Single Player or Special Ops.
12/16/2009
7:16:16 PM
Rare 12.6%
Operational Asset
Earn all 3 stars in at least 5 different Special Op missions.
12/16/2009
6:37:09 PM
Very Rare 9.7%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
12/9/2009
2:15:50 PM
Rare 34.5%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
12/9/2009
2:08:14 PM
Rare 33.0%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
12/2/2009
3:26:13 PM
Rare 30.0%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
11/11/2009
9:39:18 PM
Rare 39.8%