Metropolis 4. A city-state dependent on robot run industry. A city under siege. At Electrocorp, the largest manufacturer of military and industrial robots, an infectious Ego-Virus has corrupted the robot workers behavioural programming. There is but one way to end the mechanical mutiny. You must battle five robot fighters of unparalleled strength and skill before squaring off against the ultimate challenger: The Supervisor. Her speed and accuracy are lethal. Her ultra-evil, melting morphing ability is deadly. Prepare for a powerful showdown that pits man against machine.