Gerald's Game is also the name of a novel written by horror novelist Stephen King.
Some of the noises from the arcade games are taken from the Atari 2600 version of Pac-Man which is considered one of the worst video game ports of all time.
Lamoreaux's Bookstore is a reference to Michelle Lamoreaux, one of the show's regular writers.
Some of the books in the bookstore are called Kings Queens and You; Chivalry is Not Dead; Frog Prince and Dragons Bite Hard.
It's revealed that Gerald's favorite color is red.
Part of Big Gino's costume includes a stick horse. The head is part of the rocking horse Sid bought and Gino later used to threaten him in the episode "Big Gino".
Big Gino's voice has gone deeper in this episode since his voice actor went through puberty.
Big Gino's hair color has darkened as well, turning from a medium brown to a very dark chocolatey shade.
Big Gino referred to one of the kids as "Pasian" which is the Italian word for "friend".
Unlike Magic: The Gathering, Pokémon or most other card games, The King Rules doesn't seem to be a "collectible card game" where players have to buy more and more cards in order to get the good ones. All of the cards seem to be in every deck.
The "dungeon pawn" is Steve who was the kid who stole Arnold's ball in "The List".
One scene where Gerald is dressed up as a rabbit appeared in a promo of The Splat featuring Face during Easter.
This is Iggy's first speaking role since Arnold Betrays Iggy while it's his last speaking appearance for the rest of the series.