Gun-Nac for the NES. The newly discovered solar system IOTA Synthetica, part of the Galactic Federation of artificial stars, is the hottest new spot in the universe. Millions of people have moved there, hoping for a better quality of life than they've had on the Earth, which depleted its resources long ago. But something strange has been happening in IOTA. A mysterious energy field has surrounded the system, and non-threatening as well as inanimate things are becoming deadly predators and are attacking the residents. As GUN-NAC, you are the only Galactic Commander with the skills and knowledge to take on the evil force and put everything right again. Jump in your star fighter and get ready for the strangest fight of your life let's just hope you're not too late!