Build towers to defend the town center and upgrade them to more advanced tower types. These towers are capable of protecting more with powerful weapons. It applies to fire, ice and lighting magic towers.
Your forces were out on a routine patrol and the undead were suddenly everywhere! Your forces were badly depleted in the conflict thus you must continue to do your job and keep the undead population under control until a solution can be found.
Mutants infected by swine flu are monsters who kill people. The president decides to isolate them to one district and you are appointed to kill them all.
Once again, conquer the world and one of the new features in this sequel is the alliances in which you can control them to attack various parts of the world.
