Left for dead, your party is faced with the terrible hordes of the undead and some of their friends. This challenge contains a large area for the players to move around and plenty of room for the hordes to really spread out and surround you. If you like splashing around in murky waters trying to dismember zombies, this is the challenge for you.

Features:
* New spawn situations such as zombies crawling up through the ground, all around you.

* Completely new challenge environment

* 20 deadly waves of enemies unseen in challenges

* "It came from the swamp" entry point for enemies.

How to install your DLC:

You will have to activate your game thru the Steam software.
Please, follow the following steps :

1. You need to have Magicka installed.

2. Launch Steam. Click on the “ADD A GAME” button on the bottom-left corner of your screen, and then choose “Activate a Product on Steam”:

3. Enter your CD key exactly as it appears on your email (you have to respect the upper or lower case as well as spaces, or you can also copy/paste the key)