Clean Cut
Sever all three tentacles of a Lurker with one Line Gun Primary Fire shot (single player only)
2/19/2011
10:12:08 PM
Rare 21.7%
Make Us Whole
Collect all weapons, text logs and audio logs on Chapter 9: "Escaping the Ishimura"
2/19/2011
12:29:46 AM
Ultra Rare 3.8%
...And Stay Down
Kill 25 crawling enemies with Stomp (single player only)
2/13/2011
3:31:56 AM
Rare 14.5%
The Sampler Platter
Kill a Necromorph with every Weapon in the game (single player only).
2/13/2011
2:28:30 AM
Very Rare 8.7%
Skill - Accuracy
Complete any level with at least 80% Weapon Accuracy
2/6/2011
4:51:34 AM
Very Rare 6.9%
Quit Yacking And Start Shooting
Complete Chapter 4: "Rendezvous with Fate"
2/6/2011
3:38:35 AM
Rare 25.9%