Frozen in Time
Kill 50 Necromorphs while they are in Stasis (single player only)
3/15/2013
3:36:37 AM
Rare 28.0%
Skewered in Space
Impale an enemy into a Decompression Window to cause it to blow out
3/13/2013
3:44:14 AM
Rare 11.0%
Shock Therapy
Impale an enemy with the Javelin Gun and use its Alt-Fire to shock 3 others (single player only)
3/11/2013
8:16:24 PM
Rare 17.5%
Going for Distance
Impale an enemy and make him fly through the air for 17 meters - it must stick to the surface
3/11/2013
2:57:05 PM
Rare 30.7%
