The year is 2398, Earth's Government has declared a state of emergency as the solar system is invaded by a huge fleet of Napian war ships. Weapons of all kinds were outlawed in 2344 following a 330 year peace, so Earth's planet system and all of it's colonies are at the mercy of the evil Napian super fleet. Returning to Earth alone in a dated cargo vessel. You have repaired it's dormant shields and weapons to fully functional status. Your plan is to systematically free each planet in the solar system by ridding it of Napian ships, stealing weapon technology and shield energy as you destroy them. You soon get a hyperdrive working and learn to navigate treacherous mine fields and asteroid belts. Be prepared for hell!