Ace, Earth’s greatest hero is being attacked by the evil commander, Borf. Borf has just kidnapped the beautiful Kimberly, and is plotting to take over the planet Earth with the help of his dreaded weapon – the Infanto Ray. Only you can guide Ace through treacherous battles to destroy the Infanto Ray, save Earth and rescue Kimberly. Be valiant, space warrior, the fate of the Earth is in your hands!