Aliens have landed and want to eat the farmers' brains! You must defend the barn. Strategically arrange the crop circles to make them follow a path of your choice. Then place your military assets and blast them back to space!
Shoot the incoming enemies to protect your base. Collect weapons and turrets that automatically fire on the incoming missiles. Push the turrets around the battlefield to take advantage of their range and abilities.
A special Unit has been sent to Mars to prevent a looming threat. By controlling one of the combat robots, your Unit will have to go through the series of missions; destroying a mob of enemies, earning awards and improving your own robot.