Burnout
Fill the Nitrous bar then use it all in one go without hitting anything
12/21/2010
2:52:43 AM
Common 85.7%
Feeding the Pig
Singleplayer: In Compromised, get 15 kills with the M60
12/15/2010
4:24:18 AM
Rare 18.1%
Like a Surgeon
Singleplayer: While long range sniping, hit one of every bodypart
12/15/2010
4:04:38 AM
Rare 40.3%
Manic Suppression
Singleplayer: In Belly of the Beast, defeat the DShK in under two minutes
11/30/2010
2:36:57 AM
Rare 23.3%
Smooth Operator
Singleplayer: In First In, Kill the Hostage Taker with a Head Shot
11/28/2010
12:11:26 AM
Common 60.8%
Raining Pain
Rack up a body count of 20 NVA using air support in Hue City.
11/17/2010
3:57:35 AM
Rare 32.6%