Quantum mind with a cat in a locked steel chamber, wherein the cat's life or death depended on the state of a radioactive atom, whether it had decayed and emitted radiation or not. According to Schrödinger, the Copenhagen interpretation implies that "the cat remains both alive and dead" until the state has been observed. Schrödinger did not wish to promote the idea of dead-and-alive cats as a serious possibility; on the contrary, he intended the example to illustrate the absurdity of the existing view of quantum mechanics. However, since Schrödinger's time, other interpretations of the mathematics of quantum mechanics have been advanced
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