Massacre
Kill 10 aliens with one shot (or witness another player doing this).
12/16/2012
10:56:00 PM
Rare 20.1%
Electrifying
Stun 10 aliens with one stun grenade (or witness another player doing this).
12/13/2012
12:44:22 AM
Rare 22.4%
Shocking
Stun 5 aliens with one stun grenade (or witness another player doing this).
12/13/2012
12:23:39 AM
Rare 35.6%
Paint The Town Red
Fill the screen with the maximum amount of blood on any level.
11/6/2012
11:44:08 PM
Common 86.5%
3 Million Total Score
Get a combined total score of 3 million on all levels.
10/16/2012
8:49:58 PM
Rare 36.8%
Pure Pawn
In single player Story mode, sell 10000 credits worth of items or ammunition.
10/11/2012
6:10:32 PM
Rare 20.1%
Vital Statistics
Finish ‘Primed’ single player level with 300000 or more overall score.
9/19/2012
8:26:25 PM
Rare 36.7%