Just Browsing?
In single player Story mode, spend 30 minutes or more in the Intex Terminal menus.
8/7/2011
4:11:30 AM
Rare 32.4%
Elite Force
Without the player taking damage kill 50 aliens in single player.
8/5/2011
11:42:44 PM
Rare 43.5%
Break Out the Arsenal
Fire every weapon and use every item in single player.
8/5/2011
11:19:49 PM
Rare 32.6%
Massacre
Kill 10 aliens with one shot (or witness another player doing this).
8/5/2011
11:10:30 PM
Rare 20.1%
Deadly
Kill 5 aliens with one shot (or witness another player doing this).
8/5/2011
9:14:03 PM
Rare 37.8%
Pure Pawn
In single player Story mode, sell 10000 credits worth of items or ammunition.
8/5/2011
6:10:41 PM
Rare 20.1%
Break a Few Eggs
In single player Story mode, destroy 50 alien eggs using melee.
8/4/2011
3:28:12 AM
Rare 25.0%
Electrifying
Stun 10 aliens with one stun grenade (or witness another player doing this).
8/3/2011
9:33:21 PM
Rare 22.4%
Shocking
Stun 5 aliens with one stun grenade (or witness another player doing this).
8/3/2011
8:59:55 PM
Rare 35.6%
Saving the Day
In single player Story mode, save the game using the Intex Terminal.
8/3/2011
6:02:29 PM
Common 74.1%
Vandal
Break the glass in a window (or witness another player doing this).
8/3/2011
1:15:17 AM
Common 82.8%