Dead or Alive 4

Dead or Alive 4 is a 2005 fighting game developed by Team Ninja and published by Tecmo for the Xbox 360. It is the fourth main entry in the Dead or Alive fighting series following Dead or Alive 3 (2001), the last fighting game directed by Tomonobu Itagaki before his departure from Tecmo and its merger with Koei into Koei Tecmo in 2009. The story focuses on the continuing war between the Mugen Tenshin Ninja Clan and DOATEC, and Helena Douglas taking over the mantle of DOATEC as its new president, determined to fight against the corruption within the enormous organization.