Oh, You've Done This Before
Take down 50 enemies by sticking them with a grenade.
8/10/2011
3:31:07 PM
Rare 14.3%
Road Kill
Take down 25 enemies while riding on the roof of a moving vehicle.
8/8/2011
5:50:45 PM
Rare 40.2%
Drop Everything
Thunder Drop for a total distance of at least 500 meters.
8/7/2011
1:29:11 AM
Rare 43.2%