- Actor Allusion: Not the first time Crispin Freeman (Heat) has played a character who embraces eating people (Alucard).
- Name's the Same: Teradyne is either the name of this game's third-tier Earth-elemental spell, or that of an automation technology company
.
- New Work, Recycled Graphics: The first game used many of the assets found in Shin Megami Tensei III: Nocturne. It still has many of it's own assets as well, but many of the spells and demons originate from Nocturne.
- Promoted Fanboy: Yu Godai, the head writer of the game until her health problems, is a huge fan of the Megami Tensei series, so when she was offered to create a story for one of the games, she knew she couldn't pass it up.
- Relationship Voice Actor: Hoo boy, where do we even start;
- Code Geass: Serph is Suzaku Kururugi, Heat is Jeremiah Gottwald, Gale is Kyoshiro Tohdoh, Cielo is Gino Weinberg, Harley is Bismarck Waldstein, Jenna Angel is Cornelia li Britannia, and Roland is Kaname Ohgi.
- What Could Have Been: The game was originally planned to have a slightly different story, however the writer, Yu Godai, was forced to abandon the work due to illness and Atlus where left with trying to finish up the story on their own. Yu would continue the story after she recovered, however, which led to the Quantum Devil Saga novels.
- The Wiki Rule: The Megami Tensei Wiki.
