Quantum mind by physicists, some of which regard the "alive and dead" cat superposition as quite real. Schrödinger's famous thought experiment poses the question, ""when" does a quantum system stop existing as a superposition of states and become one or the other?" In the same way, it is possible to ask whether the brain's act of making a decision is analogous to having a superposition of states of two decision outcomes, so that making a decision means "opening the box" to reduce the brain from a combination of states to one state. But even Schrödinger didn't think this really happened to the
Dead or Alive Ultimate of the same color, a copy of "Dead or Alive Ultimate", and some bonus Kasumi-themed extras. In the United States, two trading cards with character pictures on them were randomly included in each game as part of a collector's edition. The game disc of the North American release also contains the Booster Pack for "Dead or Alive 3", which adds numerous character costumes and a new opening cinematic for the game. This disc also included a G4-produced segment from their "Icons" series detailing the history of the "Dead or Alive" series, along with interviews featuring various people from the video