Anniversary of the Dead
Complete the Final Day, in either Single or Multiplayer, and finish the game
11/1/2009
10:17:19 PM
Rare 22.8%
Interior Decorator
Kill 25 zombies in any game mode using environmental hazards
11/1/2009
9:23:35 PM
Common 80.1%
More the Merrier
Kill 10 or more zombies at the same time in any game mode
11/1/2009
9:17:55 PM
Common 81.1%
Environmental Awareness
Kill a zombie using an environmental hazard in any game mode
11/1/2009
9:09:31 PM
Common 91.8%
