Perkaholics Anonymous!
Survive until round 20 without buying a single Perk. (Map Pack 3 only)
9/9/2009
2:36:19 PM
Ultra Rare 4.7%
Der Electrician!
Link all teleport pads before round 7. (Map Pack 3 only)
9/2/2009
2:56:51 PM
Very Rare 7.6%
Perk-a-Holic
Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)
6/28/2009
9:24:25 PM
Ultra Rare 4.2%
Big Brawler
Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)
6/22/2009
9:46:08 AM
Ultra Rare 3.5%
Deadhead
Get 150 zombie headshots in a single game. (Map Pack 2 only)
6/21/2009
10:42:07 PM
Ultra Rare 3.3%
Weapon of Minor Destruction
Kill no more than one zombie with a nuke. (Map Pack 2 only)
6/19/2009
3:00:34 PM
Very Rare 7.0%
