- The SEBEC route references Pandora's Box and the Snow Queen Quest references... The Snow Queen.
- The US version has three characters named: Alfred, Bruce and Selina. Plus one of the bosses quotes The Joker from the 1989 movie:Salavino: Have you ever danced with the devil in the pale moonlight?
- In the Snow Queen Quest, upon facing off against the guardian of Hypnos Tower, Brown says he'll fight them "For truth, justice, and the St. Hermelin way!"
Shout Out / Persona