Burnout
Fill the Nitrous bar then use it all in one go without hitting anything
12/16/2010
11:20:23 AM
Common 85.7%
Feeding the Pig
Singleplayer: In Compromised, get 15 kills with the M60
12/15/2010
8:51:23 PM
Rare 18.1%
Right in the Grape...
Singleplayer: Get 7 headshots in a row with any weapon except the long range sniper rifle.
12/1/2010
8:23:29 PM
Rare 11.9%
Pathfinder
Guide the squad through the Soviet outpost without them getting killed.
11/30/2010
6:53:58 PM
Very Rare 6.0%
Lord Nelson
Destroy all targets and structures while making your way up the river.
11/29/2010
3:45:19 AM
Rare 10.3%
Vehicular Slaughter
Destroy all enemies on vehicles during the prison break.
11/16/2010
6:55:56 AM
Rare 18.5%
Raining Pain
Rack up a body count of 20 NVA using air support in Hue City.
11/10/2010
8:11:16 PM
Rare 32.6%