C-Section
Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up
3/3/2011
3:46:02 PM
Rare 11.3%
The Sampler Platter
Kill a Necromorph with every Weapon in the game (single player only).
3/1/2011
4:54:29 PM
Very Rare 8.7%
Skewered in Space
Impale an enemy into a Decompression Window to cause it to blow out
2/25/2011
4:44:58 PM
Rare 11.0%
Going for Distance
Impale an enemy and make him fly through the air for 17 meters - it must stick to the surface
2/24/2011
5:36:11 PM
Rare 30.7%
Taste of your own Medicine
TK Impale a live Slasher to a surface using a Slasher's arm - it must stick to the surface
2/24/2011
4:58:04 PM
Rare 40.8%