Dead or Alive 4

Dead or Alive 4
North American cover art featuring (from top left to bottom right) La Mariposa, Hayabusa, Eliot, Kokoro, Kasumi, Bass, Zack, Jann Lee, Ayane, Tina, Helena, and Christie
Developer(s)	Team Ninja
Publisher(s)	Tecmo
Director(s)	Tomonobu Itagaki Katsunori Ehara Hiroaki Matsui
Producer(s)	Tomonobu Itagaki Satoshi Kanematsu Max Naka
Designer(s)	Yoshifuru Okamoto Motohiro Shiga Yohei Shimbori
Artist(s)	Yasuo Egawa Yasushi Nakakura Hideki Niimi
Series	Dead or Alive
Platform(s)	Xbox 360
Release	NA/JP: December 29, 2005 EU: January 27, 2006 AU: March 13, 2006
Genre(s)	Fighting game
Mode(s)	Single player, multiplayer

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 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 story of the game 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. The game's story mode introduces the player to new characters and opponents via combat which can then be played in the game's other modes. New features are introduced in the gameplay and the game's online mode.

Dead or Alive 4 was generally well received, with an average score of 85/100 on Metacritic. By mid-2006, the game sold over 1 million copies worldwide.^[1] In 2021, Dead or Alive 4 was made available on Xbox One and Xbox Series X/S through backward compatibility.^[2] The game was later followed by Dead or Alive: Dimensions in 2011 and Dead or Alive 5 in 2012.