The Coming of the Quantum Cats can - given different social conditions - develop completely different character traits (timid or assertive, benevolent or predatory, etc.) The title refers to the famous thought-experiment known as "Schrödinger's Cat", where the outcome of a real-world event depends on a quantum event. By some interpretations, the real-world object, in this case a cat, must be in two states simultaneously until it is observed. However, the story is more closely related to the many-worlds interpretation of quantum mechanics where all possible outcomes of an event occur, each in its own parallel universe. The same concept was treated, somewhat more pessimistically, in
Dead or Alive 5 Ultimate awarded the both versions of game four out of five stars, wrote that it is "a satisfying update to the "DoA" experience, for just $40," but cautioned that "casual fans content with last year's copy of "Dead or Alive 5" might not want to buy another game so soon." Angelo M. D’Argenio of Cheat Code Central opined that "Ultimate" is a must-have purchase only for those who are still playing "Dead or Alive 5", giving the PS3 version a relatively low score of 3.2/5. According to "Hardcore Gamer"'s Adam Beck, however, "there’s something here for everyone;" he rated the PS3