Defender of Earth vs The Alien Armada is an exciting space themed tower defense game! You play as a general designated as the Defender of Earth (D.O.E.), and you will utilize space stations and battle platforms to deploy your towers to defend each quadrant of space. You will battle against 3 different alien races with at least 4 different types of ships.
D.O.E. is fast paced action, that requires a players real time engagement to build and rebuild defenses as enemy ships blast their way to your space station. Upgrade your towers and your tech because the invading forces mean business. Balance your credits and your scrap to find the right combination of defenses to defeat your enemies.
Your battles will be waged in 16 theaters of war leading up to 1 final level with all the aliens attacking at the same time.
— MetaCritic