Big Brawler
Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)
7/6/2011
8:13:09 PM
Ultra Rare 3.5%
Deadhead
Get 150 zombie headshots in a single game. (Map Pack 2 only)
7/6/2011
8:13:02 PM
Ultra Rare 3.3%
It's a Trap!
Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)
7/6/2011
8:12:55 PM
Ultra Rare 2.7%
Muerte la robo-lución
Killed the Interplanatary Ninja Assassin Claptrap
7/5/2011
10:00:13 PM
Very Rare 6.5%
Primed for Combat
Activate Optimus' Shoulder Rocket ability 5 times without dying in Chapter VII.
7/3/2011
1:34:45 AM
Rare 32.0%
Grenade Expert
Eliminate 20 opponents with the Flak Grenade in Campaign.
7/2/2011
11:40:15 PM
Rare 14.4%