Gravity Command - FREE

Aliens are invading and Earths outpost is in the way. Can you protect it over the course of 100 waves? Touch the screen to deploy your defenses, anything that comes in contact will be destroyed. Protect your missile silos as you will need every shot, and it goes without saying DON'T let the workers die! If you loose them all then it is game over.
What will be your final score?

-NO ADVERTS - Once you buy you own the full game.
-NO additional spending.
-100 Waves to challenge you.
-Designed For Tablet and Mobile