Planetary Guard: Defender is a shoot 'em up game with defensive game play features. Player can build turrets and minefields on force field of planets and operate a space tank against ever-growing hordes of enemies. In the distant future humankind has colonized several planets and even entire solar systems. After a unfortunate experiment to alter a primitive alien life form, humankind found itself locked in a bloody war with its own creation. Join the ranks of heroic Planetary Guard, the best militia in whole galaxy and defend planets against hordes of angry insectoids.