- Actor-Inspired Element: It was originally planned for Cooper to be another unlikable lead but Wyatt Russell suggested making him more likable to make what happens to him even worse.
- Celebrity Paradox: One of Sonja's videogames is Dark Souls II, which her actress is also in.
- "Funny Aneurysm" Moment: Inverted: Sporcle added an achievement in 2018 by the name "Call Your Mom", which is funny when the original moment was Nightmare Fuel.
- Production Foreshadowing: A game magazine shown in this episode promises a review of a game called "Bandersnatch".
Trivia / Black Mirror: Playtest