Defenders of the Higher Earth APK

Enjoy some new defense techniques. New levels added

The robots are in need of destroying all biological beings in the Galaxy. And the Galaxy is in need of heroes to save it.
The adventure starts with the need of protection of a mine site.
Robots, under the command of a Machine Leader called Starbolt, are about to occupy a mine site.
Regardless of its size, the mine site is of prime importance for us as it supplies almost half of the uranium for our energy. And Ostorg disclosed it location to the Machines.
We should stop them from occupying our site at all costs!

Keywords: Tower Defense, War, Space, Defender, Strategy