The Sampler Platter
Kill a Necromorph with every Weapon in the game (single player only).
9/4/2012
10:57:35 AM
Very Rare 8.7%
My Boom Stick
Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)
9/4/2012
10:42:12 AM
Rare 10.3%
Clean Cut
Sever all three tentacles of a Lurker with one Line Gun Primary Fire shot (single player only)
9/4/2012
2:14:23 AM
Rare 21.7%
Shock Therapy
Impale an enemy with the Javelin Gun and use its Alt-Fire to shock 3 others (single player only)
9/4/2012
1:49:41 AM
Rare 17.5%
Vacuum Cleaner
Decompress 20 Necromorphs without getting sucked out yourself
9/4/2012
1:35:57 AM
Very Rare 6.9%
Skewered in Space
Impale an enemy into a Decompression Window to cause it to blow out
9/3/2012
11:51:44 PM
Rare 11.0%
...And Stay Down
Kill 25 crawling enemies with Stomp (single player only)
8/29/2012
10:44:04 AM
Rare 14.5%
Frozen in Time
Kill 50 Necromorphs while they are in Stasis (single player only)
8/26/2012
3:18:58 PM
Rare 28.0%