Killing Spree - Kill 5 Helghast in 15 seconds
Kill 5 Helghast in 15 seconds whilst on foot and maintaining at least 85% health
5/2/2012
9:26:49 AM
Rare 39.3%
Elementalslayer - Kill the ArcTrooper within 1 minute 30 seconds
Kill the Tharsis Refinery ArcTrooper in under 1 minute 30 seconds
5/1/2012
10:37:40 AM
Rare 28.2%
Safety First - Shoot off 100 helmets
Shoot off 100 Helghast helmets during battle
4/27/2012
7:44:57 AM
Rare 35.9%
Run and Gunner - Kill 3 Helghast with one burst of assault rifle fire
Kill 3 Helghast using an M82 or StA52 assault rifle without releasing the trigger
4/27/2012
7:31:12 AM
Rare 12.4%
Defensive Fighter - Kill 30 Helghast with an emplaced weapon
Kill 30 Helghast using the StA3 fixed gun emplacement
4/27/2012
6:28:03 AM
Rare 45.1%
Giantslayer - Kill the Heavy within 1 minute
Kill the Blood Meridian heavy in under 1 minute
4/27/2012
2:05:25 AM
Rare 32.3%
