Anniversary of the dead
Complete the Final Day, in either Single or Multiplayer, and finish the game
45 ✓ November 7th, 2011
A Week To Live
Complete 7 days in any game mode without dying
25 ✓ November 7th, 2011
Hotter Than Hell
Complete the final day of the "7 Days of Hell" unlockable mode
25 ✓ November 8th, 2011
Can't Touch This
Rack up a 100x multiplier in any game mode
20 ✓ November 6th, 2011
Friends in Low Places
Save 25 survivors in any game mode
20 ✓ November 6th, 2011
Interior Decorator
Kill 25 zombies in any game mode using environmental hazards
20 ✓ November 6th, 2011
Tour of the City
Complete each arena at least once in the same game in any game mode
15 ✓ November 6th, 2011
More the Merrier
Kill 10 or more zombies at the same time in any game mode
10 ✓ November 6th, 2011
Environmental Awareness
Kill a zombie using an environmental hazard in any game mode
5 ✓ November 6th, 2011
Gas Powered
Complete an entire arena, getting every kill with the Chainsaw
5 ✓ November 6th, 2011
Gun Shop
Kill at least one zombie with each weapon type in any game mode
5 ✓ November 6th, 2011
Socialite
Play in an online multiplayer game
5 ✓ November 6th, 2011