(From the back of the box ...)
Astro Chase - a fast-flying, fast-fighting race through space to save the planet earth from total destruction! Blast off and blaze across a scrolling, star-studded galaxy. Seek out and explode deadly mega mines that close in as they orbit the earth. But keep an eye out for attacking enemy vessels - they'll pursue you to the far corners of space! Fire your lasers! Or activate your shields and ram the enemy ...