Tower defense: Battle zone android game free download

Description:
Build defense towers having unique features and weapons. Destroy the attacking army of your enemy. Demonstrate your talent of a strategist on the battle fields of this Android game. Stop enemy troops which consist of ground and air combat machinery. Place your towers in the key points of the map. Remember that different types of towers are efficient in the battles against certain enemy combat units. Each tower has 4 levels of upgrades which can increase their shooting power and defense.

Features:

2 game modes
Over 40 levels in a campaign
7 types of defense towers
Over 20 kinds of enemies
Many upgrades