Grave Robber
Collect 50 items or weapons from human corpses (in single player).
4/25/2013
2:09:05 AM
Rare 43.9%
Exploding Fist
Kill 3 burster aliens with one melee attack (in single player).
4/23/2013
11:33:52 PM
Rare 43.1%
Sunny Side Up?
Kill an alien egg using the melee attack (in single player).
4/21/2013
7:01:11 PM
Rare 46.5%
Pitching Machine
Hurled 10 objects into enemies without missing or taking damage.
3/11/2013
8:08:47 AM
Rare 14.5%
