The game features a goldmine of Easter eggs and backstory which either reference or expand upon certain events of the series. For example, in the 'Bloody Karte' arc, Catherine develops an attraction for Hell's Chef; in the game, the player can find a signed trading card of him in the psychotic nurse's treatment room. Also, if a player takes the time to follow the guests around the building at various points in the game, they will often divulge interesting tidbits about the hotel and each other. For example, if the player follows Gregory around early in the game, a huge amount of how Neko Zombie came to be the way he is can be learned.