No Return
Complete 'Ring of Steel' on Veteran difficulty. (Solo only)
11/6/2009
3:24:47 AM
Ultra Rare 3.0%
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
10/29/2009
8:29:31 PM
Rare 12.4%
Killing Spree - Kill 5 Helghast in 15 seconds
Kill 5 Helghast in 15 seconds whilst on foot and maintaining at least 85% health
10/29/2009
7:02:42 PM
Rare 39.3%
Master Conductor - Electrocute 3 Helghast
Electrocute 3 Helghast with a single burst from the VC5 Electricity Gun
10/29/2009
5:39:12 PM
Rare 21.9%
Elementalslayer - Kill the ArcTrooper within 1 minute 30 seconds
Kill the Tharsis Refinery ArcTrooper in under 1 minute 30 seconds
10/29/2009
5:14:31 PM
Rare 28.2%
Safety First - Shoot off 100 helmets
Shoot off 100 Helghast helmets during battle
10/27/2009
5:39:04 PM
Rare 35.9%
Giantslayer - Kill the Heavy within 1 minute
Kill the Blood Meridian heavy in under 1 minute
10/26/2009
4:31:19 PM
Rare 32.3%
Defensive Fighter - Kill 30 Helghast with an emplaced weapon
Kill 30 Helghast using the StA3 fixed gun emplacement
10/26/2009
5:39:17 AM
Rare 45.1%
Get Your Right Foot Wet
Complete a match in Competitive Co-Op mode. (Online co-op only)
10/25/2009
6:32:17 AM
Rare 16.8%
Weapon of Minor Destruction
Kill no more than one zombie with a nuke. (Map Pack 2 only)
10/10/2009
7:19:59 PM
Very Rare 7.0%
