Clean Cut
Sever all three tentacles of a Lurker with one Line Gun Primary Fire shot (single player only)
2/22/2011
8:55:04 PM
Rare 21.7%
Frozen in Time
Kill 50 Necromorphs while they are in Stasis (single player only)
2/21/2011
9:23:04 PM
Rare 28.0%
Lord Nelson
Destroy all targets and structures while making your way up the river.
12/12/2010
12:41:38 AM
Rare 10.3%