Dead or Alive is set in a world similar to real life, however humanity has an advanced understanding and development in science, where organizations can gain the technology for genetic experiments and create high-tech weaponry and transport. In addition, traditional and archaic ways of life - such as the ways of the shinobi - are still present in certain places of the world, and supernatural creatures from folklore are real living beings. Below are the characters on the site that cosplayers have depicted.