Vehicular Slaughter
Destroy all enemies on vehicles during the prison break.
12/25/2010
9:35:01 PM
Rare 18.5%
Right in the Grape...
Singleplayer: Get 7 headshots in a row with any weapon except the long range sniper rifle.
12/14/2010
6:38:59 AM
Rare 11.9%
Crowd Control
Singleplayer: Kill 5 enemies at once with a single hand grenade
12/14/2010
4:40:45 AM
Very Rare 8.1%