Deadhead
Get 150 zombie headshots in a single game. (Map Pack 2 only)
10/12/2009
8:36:38 PM
Ultra Rare 3.3%
Perk-a-Holic
Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)
10/12/2009
8:36:16 PM
Ultra Rare 4.2%
Soul Survivor
Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)
10/12/2009
8:26:44 PM
Ultra Rare 4.3%
Perkaholics Anonymous!
Survive until round 20 without buying a single Perk. (Map Pack 3 only)
9/26/2009
3:37:42 AM
Ultra Rare 4.7%
Big Brawler
Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)
9/24/2009
9:13:19 PM
Ultra Rare 3.5%
40 Knives!
Kill 40 zombies with the bowie knife. (Map Pack 3 only)
9/22/2009
11:04:42 PM
Ultra Rare 2.9%
It's a Trap!
Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)
9/18/2009
8:33:46 PM
Ultra Rare 2.7%
Freakshow Rodeo
Ride Titan henchman and knock down 10 thugs (any play mode)
8/28/2009
5:10:01 PM
Rare 43.0%
Rope-a-dope-a-dope
String up one henchman and drop him to surprise a second (any play mode).
8/27/2009
9:56:32 PM
Rare 30.0%