Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
11/11/2009
11:31:24 PM
Common 54.5%
Bare-knuckle Expert
Defeat ten enemies in a row with hand-to-hand combat
10/22/2009
7:07:06 AM
Rare 22.5%
Uncontained Aggression
You or other players on your team must destroy 250 health containers.
9/26/2009
8:43:34 PM
Common 51.6%
Ring Sting
Heal, Burn, Curse and Freeze 6 characters at the same time in a single online game
9/3/2009
10:59:30 AM
Ultra Rare 1.4%
Malpractice Needs More Practice
Survive the onslaught from the deformed Joker henchman
8/27/2009
7:09:14 AM
Common 87.1%
Leave No Man Behind
Rescue the guards and henchman from the Joker toxin in Decontamination
8/27/2009
7:02:58 AM
Common 84.0%
