Now We're Getting Serious
Fully mod and completely upgrade any weapon.
12/15/2013
10:56:10 PM
Rare 22.1%
Made it Out Alive
Escape 1st time in Regular or Hardcore difficulty.
12/14/2013
2:09:53 AM
Very Rare 6.0%
No Man Left
Escape with all four players in Regular or Hardcore difficulty.
12/14/2013
2:09:44 AM
Ultra Rare 4.4%
Epic Fumble
Force an enemy to drop dynamite that kills two people when exploding.
12/13/2013
12:23:23 AM
Common 52.7%
Sharp Shooter
Perform 50 headshot kills in the single player campaign.
12/12/2013
4:31:39 PM
Common 54.6%
