Fridge pages are Spoilers Off by default, so all spoilers were removed and all entries folderized. Proceed with caution. You Have Been Warned.
Fridges that apply to the series in general, the first game and the first movie. For the rest, see:
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The series in general
- Doom has been frequently accused by Christians of promoting Satanism due to the abundance of demons and Hell being a setting of the game. But Doom is all about destroying demons, and invading Hell itself. Therefore, Doom is actually as Christian as you can ask a video game to be.
- The Arachnotron and Spider Mastermind have, compared to other monsters of similar strength, a disproportionately high chance of flinching when they're hit and being interrupted from shooting back. They're giant brains on mechanical legs. Of course they're going to be less resistant to pain.
- The chaingun draws from the same ammo pool as the pistol. As silly as this sounds, the fact that it uses pistol-caliber ammo may explain how it's light enough to be carried and fired by one person.
- The Chaingun's general role as an mixed purpose assault rifle/light machine gun, despite its ammunition, and bulky size seems weird initially. However, considering the setting of the original game (On the moons Phobos and Deimos) it would make even more sense, as it'd be a bulky weapon that would survive the harsh planetary conditions out of Earth, and a low power, electronically powered weapon to be used in warfare in the void of space (as normal automatic weapons would probably cause marines to fly off into space due to the recoil of standard designs, and high power cartridges)
- It's mentioned in the Corax tablets of 2016 that the Doom Slayer has been in the demon-killing game for four ages now. Depending on how you count, 2016 is Doom Guy's fourth game:
- Going numerically, this game comes out right after Doom³, which would make it Doom 4.
- Alternatively, as seemingly indicated by DOOM Eternal, this is the fourth game featuring this particular incarnation of the Doom Marine, with Doom 64 filling the place of the third game instead.
- Or Doom and Doom II could be condensed into a single "age", considering that the latter is often considered more akin to an expansion of the first game.
- The reason why the original cover's demons are nowhere to be found in any of the games is because the Doomguy already exterminated them all. 2016 strongly hints towards this when you find out that the Doomguy has been committing Demon Genocide since time immemorial, to the point where he used to wear medieval armor while doing so.
- This also explains why the Hell Knights have a drastic design change between the classic games and 2016; it's likely that the Slayer's hunted all of the original Hell Knights to near-extinction, so Hell had to resort to using a different clan of Hell Knights.
- Further backed up by Eternal introducing the Gladiator, a boss that bears more than a passing resemblance to the original Hell Knights. It's possible that Gladiator is among the last of the original Hell Knights.
- You can find dead human bodies in the Hell episodes of Doom 1 and 2 occasionally. Badasses like you? Possibly, or the military "volunteers" mentioned in the backstory who were testing the gateways. They mention that they either came back insane and violent before eventually exploding, or simply never came back. Well, those dead humans in hell are those who never came back. Poor bastards, but hey, free shotgun!
The first game
- While the Spider Mastermind's agro noise is really just a Stock Sound Effect, it sounds kinda like she's saying "Who is it"? which would make sense in context (she's wondering how the hell a mere human made it all the way to her lair in Hell.)
- Who do those candle eyes belong to? It couldn't be the eyes of the Icon of Sin (as it has white eyes) nor those of the Cyberdemon on a similar principal. Barons possibly, though the objects never appear in Episode 1, not to mention they appear to have solid black eyes. So who? It's the eye of the Spider Mastermind, as they both have the same shape, and red coloration around the eye, watching Doomguy as he slaughters their minions before the inevitable showdown. Could double as fridge horror as well as your every movement has probably been tracked from the beginning.
- In Doom 1, the first Episode ends with the Doomguy dying and being sent to Hell, which is where Episode 2 begins. Therefore, Doomguy isn't even alive after the end of the Episode 1 and he's been dead for who knows how long. Doomguy was badass when he was just human, but he isn't anymore. The Demons only made Doomguy even MORE badass by killing him.
- In the last level of Episode 1, you can see some Hellish influences creeping into the level design, foreshadowing the corrupted techbases you see in Episode 2. Similarly, the last level of Episode 2 is completely devoid of techbase elements, presaging the full-fledged Hell levels in Episode 3.
The first movie
- The Movie's plot doesn't seem to have much connection to the game's plot... Until you realize that it was based on one of Doomguy's possible pasts. Remember how it was stated that the reason why Doomguy was stationned on Mars was because he attacked his superior officer after the superior officer ordered Doomguy to shoot civilians? The same thing happens in the movie. Sarge orders Reaper (along with the rest of the squad) to shoot civilians, the latter refuses, which then leads to him fighting Sarge at the end. They basically loosely based the movie on one of Doomguyss possible origin stories!
- Sarge as a Decoy Protagonist when the marketing let everyone think he was Doomguy. There's a clue in him being referred to as Sarge, though. He physically better resembles the former human Sergeants from the games than he does Doomguy, right down to being bald.