The tank fighting against viruses on the transparent screen. The viruses are created of your screen. An icons, a labels, a words and other things turn into a live spiders. The viruses jump on your tanks and begin to build the spider web. The virus drag your tank and fasten it to a skull on the post. The aim of the game is to kill a verus boss. The larger number of the viruses you have killed the easier you will hit and kill the boss.