Ultimate Zombie Defense is a Top-down Co-op Survival Horror set in the suburbs of a once quiet city, in the heart of continental Europe. The city and the surrounding 250km landmass have been sealed off in an attempt to curtail the outbreak, although sadly all attempts have failed, until now.

You and your friends are elite members of the military dropped into this plagued location and have only one mission: Locate and destroy the source of the infection.

Well, what are you waiting for? Get to it, Soldier!

FEATURING:

• An extensive base building system where you may place objects such as chain link fences, sandbags, barbed wire, concrete barriers, turrets, mines, fog lights and other military-grade components!
• Apocalypse proof weapon selection from the classic pump shotgun to the flamethrower, grenade launcher, mini-gun and many, many more!
• Epic Slow-mo that will trigger during your most impressive moments
• Unique Boss fights to challenge even the most seasoned zombie slayers
• Metal music mayhem - Rock out whilst laying waste to hordes of the undead!
• Choose between 8 unique characters to battle the army of the dead
• A variety of infected including more than 12 Unique monster types
• Cooperative gameplay for up to four players
• Solo game mode for offline play

To activate the game, you need a Steam Account

• Login or register at the official
  Steam Website and download Steam client
• Install and start application, login with your Account name and Password
• Click the Games Menu.
• Choose Activate a Product on Steam...
• Follow the onscreen instructions to complete the process
• After the successful code verification, go to the "MY GAMES" tab and start downloading.