Killing Spree - Kill 5 Helghast in 15 seconds
Kill 5 Helghast in 15 seconds whilst on foot and maintaining at least 85% health
9/25/2012
8:53:52 PM
Rare 39.3%
Defensive Fighter - Kill 30 Helghast with an emplaced weapon
Kill 30 Helghast using the StA3 fixed gun emplacement
9/25/2012
2:40:56 PM
Rare 45.1%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
5/26/2012
4:52:37 PM
Rare 17.0%
What Is Best In Life?
Perform melee finishers on 25 Creepers (single player only).
5/6/2012
8:28:31 PM
Rare 19.2%
Soft Targets
Destroy all vehicles using the UAV in Chapter 7: Golden Gate
5/2/2012
8:50:43 PM
Rare 32.8%
Stairway to Heaven
From the front door of the church, make it to the crow’s nest in 240 seconds in Chapter 5: Heartland
5/1/2012
3:28:39 PM
Rare 38.3%
