Clean Cut
Sever all three tentacles of a Lurker with one Line Gun Primary Fire shot (single player only)
3/8/2011
4:31:54 PM
Rare 21.7%
Frozen in Time
Kill 50 Necromorphs while they are in Stasis (single player only)
3/8/2011
3:00:45 PM
Rare 28.0%
...And Stay Down
Kill 25 crawling enemies with Stomp (single player only)
3/8/2011
2:33:50 PM
Rare 14.5%
My Boom Stick
Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)
3/3/2011
1:56:17 PM
Rare 10.3%
Going for Distance
Impale an enemy and make him fly through the air for 17 meters - it must stick to the surface
3/2/2011
1:58:07 PM
Rare 30.7%
BLACK OP MASTER
Complete the campaign on Hardened or Veteran difficulty.
3/1/2011
8:58:03 AM
Ultra Rare 2.3%
Down and Dirty
Complete "SOG" and "The Defector" on Veteran difficulty.
3/1/2011
8:57:57 AM
Ultra Rare 1.3%
Unconventional Warfare
Use the explosive bolts to kill 30 enemies in the campaign.
2/27/2011
4:26:02 PM
Very Rare 8.9%
Sally Likes Blood
Demonstrate killer economic sensibilities by taking down 3 enemies with a single bullet.
2/27/2011
4:00:24 PM
Rare 34.9%
Frag Master
Kill 5 enemies with a single frag grenade in the campaign.
2/27/2011
3:43:26 PM
Ultra Rare 3.2%
No Leaks
Make it through the NOVA 6 gas without dying on Rebirth Island.
2/27/2011
12:16:35 PM
Ultra Rare 4.5%
Russian bar-b-q
Incinerate 10 enemies with the flamethrower attachment in the POW compound.
2/27/2011
11:35:05 AM
Ultra Rare 2.8%