Dead or Alive Ultimate is a compilation fighting game developed by Team Ninja and released by Tecmo for the Xbox in 2004. It is a collection of two previous games in the series, 1996's Dead or Alive and 1999's Dead or Alive 2, referred to as Dead or Alive 1 Ultimate and Dead or Alive 2 Ultimate. DOA1 Ultimate is a high-resolution update of the Sega Saturn port of the original Dead or Alive with online multiplayer. DOA2 Ultimate is an enhanced remake of DOA2 using the Dead or Alive Xtreme Beach Volleyball graphics engine and featuring tweaked gameplay mechanics, some carried over from Dead or Alive 3, new game content, online multiplayer, and the inclusion of Hitomi as a playable character.