Your computer is being assaulted by viruses that are trying to corrupt your computer! Fight back with antivirus towers to keep your computer safe. In this tower defense game you place your antivirus towers along the track in strategic locations to best fight back and destroy the oncoming waves of viruses. As you destroy the waves you get more money that can be used to either receive more towers or upgrade existing ones. Place your towers in advantageous spots to deal with strong slow moving units, fast moving weak units and more. Battle until they are all destroyed and your computer is safe at last. PC Defense is one of our many Strategy Games that we publish on TheGamerStop.com. This game is also tagged as a Defense game. Click the play button to start having fun. To play even more free games, view our popular and new games page. If you want to play more games like this, then you can simply check out the games inside the game tags that are the most relevant to your interests or the Strategy Games category or the games like this game page at the end of the game tags.