You are far ahead in time, the year 2464, and your Space Time Machine has landed on an alien planet. Being of an inquisitive nature, you decide to explore. You have been gifted with a special kind of power that aids you when you're exploring strange planets: you are able to mutate into the aliens' life form. On this mysterious planet, the beings are minute and flea-like, with amazing jumping powers. However, during your exploration, you take an unexpected trip and fall down through a dark hole, into a dark cave. Suddenly, you're surrounded by flesh-eating plants, not to mention a hungry pterodactyl.
You must escape these dangers, so utilise your jumping powers to ward off your enemies and exit the cave. Once you think you're safe, disaster strikes again. Another trip down another deep hole, and more flesh-eating plants to deal with.