This is a scrolling shooter video game developed and published by Konami was released in 1988. Game play is for one or two players simultaneously.

In some remote part of the universe, was born Zelos, an alien creature. As soon as he grew up he began eating away hundreds of galaxies, planets, and stars. Now your own planet has appeared on Zelos' way. It is your and your partner’s duty to fly and fight to save your world. There are six levels, which alternate between side and vertical scrolling. Each one is ending with a powerful guardian. Through the game, destroying certain enemies will release power-ups, which you can use to equip your ship with powerful weapons, extra speed, and shields.