Dead or Alive 4 (Japanese: デッドオアアライブ4 Hepburn: Deddo Oa Araibu Fō?, abbreviated as DOA4) is a fighting game developed by Team Ninja and released by Tecmo for the Xbox 360 in 2005. It is the fourth major title in the Dead or Alive video game series, its plot following the events of the 2001 title Dead or Alive 3.