Sewer Germs TD

The sewers of the world are some of the nastiest, dirtiest and dangerous places on the planet.  You wouldn"t want to be caught trapped in a sewer.  They are filled with deadly germs and diseases.  In the Sewer Germs TD flash game you need to plant your anti-germ tower defense units in strategic places along your sewer map so you can kill the germs before they escape and infect the world with their deadly diseases.  Its up to you to disinfect the sewers.  Keep your tower defense units upgraded so they can shoot and kill these nasty germs.  Each different tower that you build has different strengths and powers to help you in your fight against the germs in Sewer Germs TD.