Oh, You've Done This Before
Take down 50 enemies by sticking them with a grenade.
8/20/2010
11:21:40 AM
Rare 14.3%
Hard Finish
Finish story mode on Hard, without changing the difficulty setting.
8/18/2010
11:23:19 AM
Very Rare 6.6%
Follow Me!
Kill 5 enemies by dragging them behind a vehicle with the grappling hook.
8/14/2010
5:01:22 PM
Very Rare 7.4%
