Gravity Command is one of the Shooting Games that you can play on UGameZone.com for 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!
Enable Flash in Chrome settings. When Flash is disabled, the label will read " Block sites from running Flash ".Click the toggle to enable flash and the label will read " Ask First ". Shown like the following:
Now Click And then,click " Allow " in the box that appears in the top-left to play the game.Shown like the following:
