Frozen in Time
Kill 50 Necromorphs while they are in Stasis (single player only)
8/28/2011
9:27:24 AM
Rare 28.0%
Clean Cut
Sever all three tentacles of a Lurker with one Line Gun Primary Fire shot (single player only)
8/28/2011
8:22:50 AM
Rare 21.7%
Cold Arms, Cold Heart
Defeat the Drowned Sailor without taking any damage
6/23/2011
3:22:29 PM
Rare 28.1%