Shock Therapy
Impale an enemy with the Javelin Gun and use its Alt-Fire to shock 3 others (single player only)
2/26/2011
7:10:59 AM
Rare 17.5%
My Boom Stick
Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)
2/25/2011
10:23:29 AM
Rare 10.3%
Clean Cut
Sever all three tentacles of a Lurker with one Line Gun Primary Fire shot (single player only)
2/25/2011
10:20:27 AM
Rare 21.7%
...And Stay Down
Kill 25 crawling enemies with Stomp (single player only)
2/25/2011
10:10:50 AM
Rare 14.5%
Skewered in Space
Impale an enemy into a Decompression Window to cause it to blow out
2/25/2011
9:58:20 AM
Rare 11.0%
C-Section
Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up
2/25/2011
9:55:28 AM
Rare 11.3%
The Sampler Platter
Kill a Necromorph with every Weapon in the game (single player only).
2/25/2011
9:09:06 AM
Very Rare 8.7%
No Stone Unturned
Collect all weapons, text logs and audio logs on Chapter 3: "Return to the Megavents"
2/23/2011
7:58:43 AM
Ultra Rare 3.6%
Treasure Hunter
Collect all weapons, text logs and audio logs on Chapter 8: "In The Hearts of Men"
2/23/2011
7:33:51 AM
Ultra Rare 2.6%
Scavenger
Collect all weapons, text logs and audio logs on Chapter 5: "Emergency Care"
2/22/2011
8:38:27 AM
Very Rare 5.1%
