Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
1/2/2012
5:44:20 AM
Rare 39.8%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
12/30/2011
6:42:30 PM
Rare 45.1%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
12/30/2011
4:00:51 PM
Rare 25.3%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
12/30/2011
7:58:24 AM
Rare 34.5%
Operational Asset
Earn all 3 stars in at least 5 different Special Op missions.
12/30/2011
7:44:13 AM
Very Rare 9.7%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
12/30/2011
6:36:57 AM
Rare 30.0%
Downed but Not Out
Kill 4 enemies in a row while downed in Special Ops.
12/30/2011
3:12:07 AM
Very Rare 5.8%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
12/30/2011
1:18:15 AM
Common 57.6%
It's Just a Bad Dream!
Complete "Lost in Nightmares" with an S rank.
12/29/2011
5:08:19 AM
Ultra Rare 4.9%
Must've Got Lost
Complete "Lost in Nightmares" on any difficulty setting.
12/29/2011
5:08:14 AM
Rare 12.4%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
12/27/2011
7:06:27 AM
Common 54.5%