The factual account of how Anti-Gravity Fluid was brought to Earth is now TOP SECRET. However, legend states that it was sent to our planet to be placed in the hands of the URBAN LIFEFORCE. They have been entrusted with the secret formula to create an unlimited supply of Anti-Gravity Fluid. Envyed and hunted by the dark forces of the Universe; this treasure has been hidden throughout the great cities and underground trading posts of Man. Only the chosen will find it. Only those with the power of the Zi, will obtain it!