Super Dropzone: Intergalactic Rescue Mission

Super Dropzone: Intergalactic Rescue Mission is a sequel to Archer MacLean's Dropzone. The game takes place ten years after the happenings of the original game. The gameplay is mostly the same as the original Dropzone although it features some new weapons and end of level boss fights. The player controls a spaceman with a jetpack and can fly in all directions above the moon's surface while killing wave after wave of aliens. The action takes place on Jupiter and its moons. (mobygames.com)