This game is also available on PS3.
Retro Game Tips for Zombie Apocalypse (Xbox 360)
Achievement: Achievement: A Week To Live (25)
Achievement: Achievement: Anniversary of the Dead (45)
When:
During the Game
How:
Complete the Final Day, in either Single or Multiplayer, and finish the game
Submitted By:
Achievement: Achievement: Can't Touch This (20)
Achievement: Achievement: Environmental Awareness (5)
When:
During the Game
How:
Kill a zombie using an environmental hazard in any game mode
Submitted By:
Achievement: Achievement: Friends in Low Places (20)
Achievement: Achievement: Gas Powered (5)
When:
During the Game
How:
Complete an entire arena, getting every kill with the Chainsaw
Submitted By:
Achievement: Achievement: Gun Shop (5)
When:
During the Game
How:
Kill at least one zombie with each weapon type in any game mode
Submitted By:
Achievement: Achievement: Hotter Than Hell (25)
When:
During the Game
How:
Complete the final day of the "7 Days of Hell" unlockable mode
Submitted By:
Achievement: Achievement: Interior Decorator (20)
When:
During the Game
How:
Kill 25 zombies in any game mode using environmental hazards
Submitted By:
Achievement: Achievement: More the Merrier (10)
When:
During the Game
How:
Kill 10 or more zombies at the same time in any game mode
Submitted By: