Pump
Use the pump controls to pump up and release completely an effect.
9/20/2009
6:44:12 PM
Common 81.8%
Berserker - Kill 25 Helghast with melee attacks
Kill 25 Helghast using melee attacks
9/19/2009
8:40:59 AM
Rare 25.7%
Defensive Fighter - Kill 30 Helghast with an emplaced weapon
Kill 30 Helghast using the StA3 fixed gun emplacement
9/19/2009
8:17:55 AM
Rare 45.1%
Giantslayer - Kill the Heavy within 1 minute
Kill the Blood Meridian heavy in under 1 minute
9/19/2009
8:15:53 AM
Rare 32.3%
Southern Hills Scout
Kill 5 enemies while cloaked in Southern Hills during one round
9/15/2009
1:49:44 PM
Ultra Rare 0.6%
Wasteland Scout
Kill 5 enemies while cloaked in Wasteland Bullet during one round
9/15/2009
11:31:59 AM
Ultra Rare 0.7%
Arctower Conqueror
Win a round with a minimum of 5 mission wins in Arctower Landing
9/15/2009
11:21:02 AM
Ultra Rare 0.7%