PC Defense is a strategy game with classical tower defense gameplay and inconvenient story line. Evil viruses are coming out from usb stick to destroy your hardware. Protect the central processor using your savvy and upgradeable antivirus software at your disposal. Six different antiviruses with 4 upgrades each and special boosters are available to help you to achieve your goal. But take care! It’s only a 64 bits processing unit and every virus destroys one bit if it slips through! In the game, download antivirus software from the side bar on the right and install them around the track. Upgrade it to maximize its effectiveness. Don’t forget to use special boosters from the left sliding sidebar.