Frozen in Time
Kill 50 Necromorphs while they are in Stasis (single player only)
2/3/2011
9:10:52 PM
Rare 28.0%
Going for Distance
Impale an enemy and make him fly through the air for 17 meters - it must stick to the surface
2/3/2011
6:52:46 PM
Rare 30.7%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
12/9/2010
6:33:27 AM
Rare 17.0%