Hard Finish
Finish story mode on Hard, without changing the difficulty setting.
3/17/2010
2:19:45 AM
Very Rare 6.6%
Evil to the Core
Purchase every negative Karma upgrade for each power.
3/17/2010
1:02:11 AM
Very Rare 5.1%
Oh, You've Done This Before
Take down 50 enemies by sticking them with a grenade.
3/16/2010
4:47:16 AM
Rare 14.3%