The Caves of Doom were to be found on Planet Doom in the Ghost Zone. They were legendary amongst treasure seekers, as it was were the fabled Catseye of Doom was to be found. The owner of which would be able to rule the universe. Outside the cave sat an old skeleton pointing the way into the mouth of the cave. The inside was populated by dangerous Ghost Worms and the Ghost Creeper. It was also home to a hidden statue of the Ancient Cat Goddess of Doom, the rightful and only safe place for the Catseye of Doom.