Specter Recon
Collect 50 pieces of gray tech in the Cooperative campaign.
7/22/2010
6:05:31 PM
Rare 15.6%
Talk To The Hand
Use the Auger force barrier to stop 150 incoming enemy shots in the single player Campaign.
7/16/2010
3:44:33 PM
Rare 38.5%
Fragmartyr - Kill 2 Helghast whilst taking your own life
Kill 2 Helghast at once and take your own life using a single frag grenade
3/18/2009
6:11:24 PM
Very Rare 5.4%
Can Opener - Destroy a Helghast APC
Destroy any Helghast APC during battle
3/1/2009
1:51:09 PM
Rare 29.5%
Killing Spree - Kill 5 Helghast in 15 seconds
Kill 5 Helghast in 15 seconds whilst on foot and maintaining at least 85% health
3/1/2009
12:16:14 PM
Rare 39.3%
Master Conductor - Electrocute 3 Helghast
Electrocute 3 Helghast with a single burst from the VC5 Electricity Gun
3/1/2009
12:07:49 PM
Rare 21.9%
Giantslayer - Kill the Heavy within 1 minute
Kill the Blood Meridian heavy in under 1 minute
2/26/2009
3:12:52 PM
Rare 32.3%