This is a mind blowing online tower defence game, which has good graphics and unique concept to make the game play so interesting. Your goal in the game is to prevent germs from breaking through the bowels to the organisms. You should create some defensive microorganism in the bowels that will kill the germs. Place some towers in tactical positions before you start and do not miss the chances to upgrade your towers. Use the computer mouse to interact, play this game, and remember to use the funds very thoughtfully. Good luck!