Elementalslayer - Kill the ArcTrooper within 1 minute 30 seconds
Kill the Tharsis Refinery ArcTrooper in under 1 minute 30 seconds
2/20/2011
4:50:43 PM
Rare 28.2%
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
2/13/2011
7:18:15 PM
Rare 12.4%
Barrel of Death - Kill 3 Helghast using your environment
Kill 3 Helghast at once using the surrounding environment
2/13/2011
7:08:15 PM
Rare 25.3%
Safety First - Shoot off 100 helmets
Shoot off 100 Helghast helmets during battle
2/11/2011
5:22:51 PM
Rare 35.9%
Bullet Counter - Manually reload 150 times
Manually reload your weapon 150 times
2/10/2011
12:02:21 AM
Rare 33.1%
Eye of the Needle
As a Racer, drive through an undamaged Road Block without hitting it
1/28/2011
10:52:51 PM
Common 53.0%
Aerial Assistance
Call in a Helicopter which then hits a Racer with a Spike Strip
1/28/2011
9:41:35 PM
Rare 38.1%
Burnout
Fill the Nitrous bar then use it all in one go without hitting anything
1/22/2011
11:27:52 PM
Common 85.7%