Rotary defence - move an energy shield around Earth's orbit. Defend the humanity from the asteroid threat. Catch all the asteroids with the shield. Train your reaction speed in this dynamic game for Android. With one flick of a finger rotate the shield around the planet. Carefully watch space around the Earth. Asteroids may appear from any side and you need to be ready to repel it with a shield. Get useful bonuses and gains that will help you in difficult situations. Improve your skills and set new records.

Operating System: Android Gingerbread (2.3) or later