- A LOT of video games get name-dropped or alluded to; a given that most of the narration comes from the Ultimate Gamer, who uses them as points of reference for things she lacks experience in. Just a few include Tales of the Abyss, Pokémon Emerald, Street Fighter, Disgaea: Hour of Darkness, Harvest Moon, Wizardry, The Elder Scrolls V: Skyrim, The Legend of Zelda, and Ace Attorney.
- Chiaki tells herself that if she was willing to spend an entire day grinding for the Gutsy Bat, then she is willing to spend however long it takes for legs to work again.
- When learning that all her friends were brainwashed, a dazed Chiaki thinks this is how Celes must have felt when the world ended.
- She also wonders how Kairi was able to work up the nerve to give Sora her Lucky Charm when trying to give Izuru her hairpin.
- Chiaki's pet rabbit is named Yumigami.
- When talking about his Split-Personality Merge, Hajime describes it as "personas fusing". (Hilariously, Hajime shares his dub voice with Yu Narukami.)
- Chiaki compares the possibility of her meeting her AI to Aya Brea meeting Eve.
- For a non-video game example, Nagito mentions reading a book about a woman who falls into an alternate dimension and a man who investigates a manuscript's secrets.
Shout Out / Extra Life