Frozen in Time
Kill 50 Necromorphs while they are in Stasis (single player only)
12/30/2014
4:29:55 PM
Rare 28.0%
Skewered in Space
Impale an enemy into a Decompression Window to cause it to blow out
12/30/2014
3:57:11 PM
Rare 11.0%
The Sampler Platter
Kill a Necromorph with every Weapon in the game (single player only).
12/30/2014
3:13:46 PM
Very Rare 8.7%
Taste of your own Medicine
TK Impale a live Slasher to a surface using a Slasher's arm - it must stick to the surface
12/28/2014
9:57:12 AM
Rare 40.8%
Shock Therapy
Impale an enemy with the Javelin Gun and use its Alt-Fire to shock 3 others (single player only)
12/21/2014
1:09:58 AM
Rare 17.5%
My Boom Stick
Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)
12/21/2014
1:09:17 AM
Rare 10.3%