My Boom Stick
Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)
2/15/2011
8:48:32 PM
Rare 10.3%
C-Section
Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up
2/14/2011
10:52:36 PM
Rare 11.3%
...And Stay Down
Kill 25 crawling enemies with Stomp (single player only)
2/14/2011
10:27:54 PM
Rare 14.5%
Frozen in Time
Kill 50 Necromorphs while they are in Stasis (single player only)
2/13/2011
3:10:52 AM
Rare 28.0%
