Elementalslayer - Kill the ArcTrooper within 1 minute 30 seconds
Kill the Tharsis Refinery ArcTrooper in under 1 minute 30 seconds
7/24/2009
7:15:34 PM
Rare 28.2%
Barrel of Death - Kill 3 Helghast using your environment
Kill 3 Helghast at once using the surrounding environment
7/23/2009
1:29:19 PM
Rare 25.3%
Professional - 3 revolver headshots in a row
Get 3 headshots in a row using the same clip of M4 Revolver ammunition
7/17/2009
4:13:24 AM
Ultra Rare 2.3%
Berserker - Kill 25 Helghast with melee attacks
Kill 25 Helghast using melee attacks
7/17/2009
4:00:08 AM
Rare 25.7%
Melonpopper - 15 headshots using the sniper rifle
Get 15 headshots using the VC32 Sniper Rifle
7/17/2009
2:13:37 AM
Rare 11.8%
Fragmartyr - Kill 2 Helghast whilst taking your own life
Kill 2 Helghast at once and take your own life using a single frag grenade
7/16/2009
11:24:05 PM
Very Rare 5.4%
Fragmerchant - Kill 5 Helghast using a single grenade
Kill 5 Helghast at once using a single frag grenade
7/16/2009
11:09:39 PM
Very Rare 5.8%
Killing Spree - Kill 5 Helghast in 15 seconds
Kill 5 Helghast in 15 seconds whilst on foot and maintaining at least 85% health
7/16/2009
11:05:53 PM
Rare 39.3%
Safety First - Shoot off 100 helmets
Shoot off 100 Helghast helmets during battle
7/16/2009
10:50:21 PM
Rare 35.9%
Bullet Counter - Manually reload 150 times
Manually reload your weapon 150 times
7/16/2009
12:04:11 PM
Rare 33.1%