【實用遊戲app】Tank Defend|最夯免費app-綠色工廠好玩App

The enemy attack to keep the city, you need to stop them.This is a simple tank defense game.There are four kinds of defensive forts, each with a different property. Attack frequency, range, power.Defense fort can be infinitely upgraded to increase power.To make good use of terrain, the construction of the fort to stop the enemy's advance.