Elementalslayer - Kill the ArcTrooper within 1 minute 30 seconds
Kill the Tharsis Refinery ArcTrooper in under 1 minute 30 seconds
3/6/2009
3:34:36 AM
Rare 28.2%
Melonpopper - 15 headshots using the sniper rifle
Get 15 headshots using the VC32 Sniper Rifle
3/5/2009
9:33:44 PM
Rare 11.8%
Barrel of Death - Kill 3 Helghast using your environment
Kill 3 Helghast at once using the surrounding environment
3/5/2009
9:21:00 PM
Rare 25.3%
Safety First - Shoot off 100 helmets
Shoot off 100 Helghast helmets during battle
3/5/2009
7:55:15 PM
Rare 35.9%
Defensive Fighter - Kill 30 Helghast with an emplaced weapon
Kill 30 Helghast using the StA3 fixed gun emplacement
3/5/2009
6:35:24 PM
Rare 45.1%
Stabbed in the Heart
Complete all missions on the Eastern Front on any difficulty. (Solo only)
11/17/2008
9:46:28 PM
Rare 29.0%
The Last Stand
Survive the conflict in Okinawa on any difficulty. (Solo only)
11/17/2008
8:46:23 PM
Rare 32.2%
Trendsetter
Place a sticker or a decoration on another player's sackperson
11/15/2008
10:36:17 PM
Rare 37.6%