Scoreboard 50%
Place in the top 50% of players in the online scoreboard for a Story level
3/12/2011
5:18:25 PM
Common 51.4%
Oh, You've Done This Before
Take down 50 enemies by sticking them with a grenade.
12/9/2010
9:58:30 PM
Rare 14.3%
Road Kill
Take down 25 enemies while riding on the roof of a moving vehicle.
12/6/2010
8:58:55 AM
Rare 40.2%