Zombie Apocalypse Xbox 360 Achievements

Every achievement for the game, its Gamerscore and how to earn it. Hidden achievements stay marked secret in-game until you unlock them.

Unlockable
Modes: Unlock the following modes by performing the corresponding tasks:

Mode	How to unlock
Days Of Hell	Beat Day 55. In this mode will be seven very long levels.
All Weapons	Beat Day 55. In this mode you will be able to use all weapons and have infinite ammo.
Blackout	Beat Day 55. In this mode your view is shrunken to a small circle around your character. Radioactive zombies will become more visible.
Chainsaw Mode	Beat a level using only the chainsaw, and without any environmental or Zombie Bait. In this mode you will be limited to the chainsaw and Zombie Bait.
Hardcore Mode	Survive seven days without dying. In this mode you will only have one life.
Turbo	Get a 100x multiplier. In this mode everything will move faster.

Distract zombies: To distract a zombie from survivors, throw a teddy bear in a direction away from the survivors.
Achievements:

Achievement	How to unlock
Environmental Awareness5G	Kill a zombie using an environmental hazard.
Gas Powered5G	Complete an entire arena, getting every kill with the Chainsaw.
Gun Shop5G	Kill at least one zombie with each weapon type.
More the Merrier10G	Kill 10 or more zombies at the same time.
Socialite5G	Play in an online multiplayer game.
Tour of the City15G	Complete each arena at least once in the same game.
Can’t Touch This20G	Rack up a 100x multiplier.
Friends in Low Places20G	Save 25 survivors.
Interior Decorator20G	Kill 25 zombies in any game mode using environmental hazards.
A Week To Live25G	Complete 7 days in any game mode without dying.
Hotter Than Hell25G	Complete the final day of the “7 Days of Hell” unlockable mode.
Anniversary of the dead45G	Complete the Final Day and beat the game.