Global Defense: Zombie War

Global Defense: Zombie War is a great tower defense game on android. Zombies  filled all the earth, protect the last shelter from them, for this you need to place towers along the roads.
Features:

• Stunning effects
• More than 100 cities
• 9 kinds of different towers
•  Large variety of zombies
• difficulty Levels
• 3 different special skills
• 27 different medals waiting for you
• the Military rank system.