Run-and-Gunner
Kill 20 enemies by shooting from the hip (without aiming with the L1 button)
9/14/2010
3:16:06 AM
Rare 22.5%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
8/27/2010
12:32:52 AM
Rare 17.0%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
1/16/2010
5:44:35 PM
Rare 45.1%