- Hey, It's That Voice!: David Fielding (Mighty Morphin' Power Rangers) plays a crapload of characters in this game. It's most obvious with Olmec, which is essentially his Zordon voice.
- Name's the Same: There is a 2001 film also called Sanitarium. Besides that, the movie's main character is also named Max.
- Talking to Himself: Grimwall and Max share the same voice actor. Grimwall briefly talks to Max in the final chapter.