Overtake all other parasites and become the Dominant Species. Learn to master each parasite effectively and infect all forms of cellular life. Use full screen mode for better view.
Create a maze out of your towers to defend against 49 levels of advancing creeps. Five different towers with five Upgrades each including distinctive elite towers.
Research new technologies, build your base, control the resources and make an army to destroy your enemy. The game includes 7 buildings, 5 towers and 11 units which can be done when you research them before playing a zone.
