Trivia: When Adam Driver hands Tilda Swinton the car keys, there is a Star Wars emblem on the key chain. She comments it is excellent fiction. He says, "Yeah." Adam Driver stars in the Star Wars movies as Kylo Ren. (01:12:12)
Trivia: The filmmakers had originally planned to shoot the film at Banff National Park, but the direction of the park did not like the fact that one of the bad guys was an Indigenous gang boss, and therefore the filming permit was revoked.
Trivia: References to the game series include: Weapons: the BFG 9000, shotgun and chainsaw Characters: John Carmack (co-creator and former lead programmer of the series), Malcolm Betruger (Doom 3's antagonist) and the ship's AI Daisy (the name of protagonist Doomguy's pet rabbit) Enemies: zombified humans, the fireball hurling creatures (called imps in the game) Quotes: "I'm too young to die", "ultra nightmare" (the easiest and hardest difficulty settings respectively) Additionally, the name William J Blazkowicz is a reference to William Joseph "B. J." Blazkowicz, the protagonist of the Wolfenstein series starting with Wolfenstein 3D, the game that Id Software created prior to releasing the first Doom game.
Trivia: Dee Wallace has said her character "Aunt Dee" was originally meant to be Helen Brown from the original film (and she still considers them to be the same), but the character had to be renamed for legal reasons since this film and the original were made by different studios.
Trivia: The Man as Panda had difficulty breathing after he got outside. He gasped for a while, then started to breathe through his mouth and was OK. The significance of this "cat turns into man" scene is that cats are "obligate nasal breathers" (automatically breathe through their nose) whereas humans can choose their nose or mouth. Cats can also breathe through their mouth, but it is a sign that something is wrong (overexertion, difficulty breathing, or other medical problem) = Get Cat to a Vet.