From the game box: This time it's personal... Ryu Hayabusa, the deadly and feared ninja assassin, is out for blood after his clan is massacred y the evil Vigoor empire. Vowing to seek revenge on those that wronged him, Ryu sets off on an action-packed adventure where the lines between good and evil are blurred and all he believes in will be tested. Posses the fury of Ryu Hayabusa as you destroy your opponents using lethal ninja weapons, cunning skills and amazing acrobatic moves. You mission: to annihilate your enemies, ultimately defeating the powerful Vigoor empire.