• Igor's companions in the Velvet Room are the Demon Painter, Nameless, and Belladonna.
  • Fan Translation: Innocent Sin, and not only is Atlus aware of it, they said it was a pretty good translation.
  • Genius Bonus: There's several small bits of trivia, ranging from Aztec mythology to the significance of the name Maya and Maia.
    • The publishing company Maya works at, Kismet, is a synonym for "destiny".
      • And, of course, all the Personae (except Tatsunoshin Suou, Maihime Amano, Junnosuke Kuroda, and Alfred/Yamoaka from Eternal Punishment) are from real mythologies.
  • No Export for You: The original release of Innocent Sin was never released outside of Japan, whilst Eternal Punishment was also released in America. The Innocent Sin remake for PSP was released worldwide, but the Eternal Punishment remake has not been released outside of Japan, making it the only Persona game never to receive a release in Europe in some capacity.