Safety First - Shoot off 100 helmets
Shoot off 100 Helghast helmets during battle
4/7/2009
3:49:27 PM
Rare 35.9%
Killing Spree - Kill 5 Helghast in 15 seconds
Kill 5 Helghast in 15 seconds whilst on foot and maintaining at least 85% health
4/7/2009
3:40:24 PM
Rare 39.3%
Master Conductor - Electrocute 3 Helghast
Electrocute 3 Helghast with a single burst from the VC5 Electricity Gun
3/4/2009
1:37:23 AM
Rare 21.9%
Elementalslayer - Kill the ArcTrooper within 1 minute 30 seconds
Kill the Tharsis Refinery ArcTrooper in under 1 minute 30 seconds
3/4/2009
1:11:35 AM
Rare 28.2%
Defensive Fighter - Kill 30 Helghast with an emplaced weapon
Kill 30 Helghast using the StA3 fixed gun emplacement
3/2/2009
11:06:48 PM
Rare 45.1%
Land a Barrel Roll jump
Awarded for successfully landing a Barrel Roll jump
1/23/2009
12:52:34 AM
Common 57.9%