Burnout
Fill the Nitrous bar then use it all in one go without hitting anything
12/8/2010
10:10:36 AM
Common 85.7%
Not Today
Complete "Crash Site," "WMD," and "Payback" on Veteran difficulty.
11/29/2010
7:18:46 AM
Ultra Rare 1.2%
Unconventional Warfare
Use the explosive bolts to kill 30 enemies in the campaign.
11/29/2010
6:25:24 AM
Very Rare 8.9%
Lord Nelson
Destroy all targets and structures while making your way up the river.
11/29/2010
5:33:08 AM
Rare 10.3%
It's your funeral
Complete "Numbers," "Project Nova," and "Victor Charlie" on Veteran difficulty.
11/29/2010
5:12:04 AM
Ultra Rare 1.2%
Raining Pain
Rack up a body count of 20 NVA using air support in Hue City.
11/14/2010
1:02:10 AM
Rare 32.6%
Vehicular Slaughter
Destroy all enemies on vehicles during the prison break.
11/12/2010
2:28:48 AM
Rare 18.5%