The main character of the game Ninja Gaiden Sigma Ryu, a skilled ninja from the Hayabusa clan. Ryu's goal is to obtain the Black Dragon Sword, the twin blade of his own. Forged from the bones of a black dragon, this weapon is the embodiment of absolute evil. The action takes place in the same world as the famous Dead or Alive fighting games created by Tecmo, namely modern-day Japan and the fictional empire of Vigoor. Prepare to overcome challenges – the game is a cakewalk. Ninja Gaiden Sigma There won't be! What's more, Team Ninja's first PS Vita title is one of the most challenging games for the system, so you'll need all your agility and quick reflexes to take down enemies, especially the giant bosses. Join Ryu as he draws his sword and sets out to battle the treacherous enemies. Use your ninja skills and prowess to unlock additional costumes for Ryu.