Zero Zone 2020 is a classic Tower defense game where you will need to defend a home base from swarms of enemies. The game has a wide range of turrets that you will build up to protect your base from army buggies, tanks and supertanks. With each successful elimination of an enemy money and score will drop, you will need to grab the money to continue to buy better turretsas the wave of enemies get harder and harder. Can you strategize and save your base? or what is the highest score you can get! The game features a large map and a nice lighting effect to set a nice tone over the destruction.

Go to: http://store.steampowered.com/ and download STEAM client Click "Install Steam" (from the upper right corner) Install and start application, login with your Account name and Password (create one if you don't have). Please follow these instructions to activate a new retail purchase on Steam: Launch Steam and log into your Steam account. Click the Games Menu. Choose Activate a Product on Steam... Follow the onscreen instructions to complete the process. After successful code verification go to the "LIBRARY" tab and start downloading.