Overheat
Kill 50 Chimera by detonating their heatstacks in the Single Player Campaign
6/19/2014
2:45:56 PM
Rare 25.6%
Variety
Use the secondary fire of each weapon in the Single Player Campaign
6/19/2014
2:40:03 PM
Rare 45.0%
Indiscriminate
Kill an enemy with every weapon in the Single Player Campaign
6/18/2014
12:52:08 AM
Rare 48.8%
