In 2018 A.D., the sinister and mysterious Dr. Wong has created an army of robots and employed a clan of ninjas augmented with cybernetic technology. With this horde, the mad doctor plans to solve the Earth's overpopulation crisis by wiping out humanity for a new era of man and machine, with him as leader.

Dr. Wong has amassed and deployed his creations to cut a swath of fire and destruction across Earth. In these dark times, the hope of Earth and humankind rests on the hands of 4 warriors called the Shadow Force, endowed with deadly ninja arts and transformation skills.

Eliminate Dr. Wong with your ninja transformation techniques!

© 1993 Technos Japan Corp.