Dead or Alive 4 is an action-adventure video game for the Xbox 360. It is the fourth game in the Dead or Alive series and was released on November 15, 2009. It is the first game in the Dead or Alive series to be released in North America. The game is a sequel to the 2004 game Dead or Alive 3. The game is set in a new, more open world environment, with players able to explore the game's world at will. It introduces a new character, Juri, as the primary protagonist. Players can also team up with other players to form a team and compete in online multiplayer matches. The game also introduces a new game mode, 'Tournament', which pits players against each other in a series of matches.