History VideoGame / DoomEternal

* DragonTheirFeet: [[spoiler:The Khan Maykr is the main villain who orchestrates the plot, and the Icon of Sin is resurrected on her orders to complete the annihilation of Earth. However, the Icon of Sin outlives its supposed master, and is the TrueFinalBoss for the Doomslayer to defeat.]]

* ConspicuousElectricObstacle: One of the arenas in Exultia has a glowing blue electrified floor. More electrified floors appear in Cultist Base. In addition, many wall climbing sections often have small blue spheres that emit electricity and are better to be avoided.

* ModelMuseum: The Collectible Viewer, a mechanic that functions similarly to the instance in [[VideoGame/Doom2016its predecessor]]; you collect figurines as part of secrets and can freely view them and their animations, encompassing various characters and demons alike.

* DropTheHammer: ''The Ancient Gods: Part 2'' adds the Sentinel Hammer to the Slayer's arsenal. It stuns all enemies (except Marauders, if you haven't already stunned them the traditional way) around the Slayer, and causes them to drop ammo. Setting them on fire or freezing them will also cause them to drop armor and health respectively when hit with the hammer. Also, unlike the Crucible, it recharges after two glory kills so expect to use it a lot in the already frantic DLC as a general "[[SimpleYetAwesome all big demons need to shut the fuck up so I can think for a second]]" button.

''Doom Eternal'' is the {{Sequel}} to ''VideoGame/Doom2016'', developed by Creator/IdSoftware for PC, UsefulNotes/PlayStation4, UsefulNotes/XboxOne and UsefulNotes/GoogleStadia as the sixth main instalment in the ''Franchise/{{Doom}}'' video game franchise. Officially released on March 20, 2020[[note]]Video game retailer [=GameStop=] in the United States began selling it a day earlier due to the UsefulNotes/COVID19Pandemic to separate crowds buying this game from crowds buying ''VideoGame/AnimalCrossingNewHorizons'', which was released on the same day[[/note]], the UsefulNotes/NintendoSwitch version was released on December 8 as digital only. UsefulNotes/PlayStation5 and UsefulNotes/XboxSeriesXAndS versions were released on June 29, 2021, with free upgrades made available to owners of the [=PS4=] and Xbox One versions.

* BonusBoss: The final Slayer Gate in The Holt has the absolute strongest enemy in the game, a Spirit-possessed Marauder. Have fun.

* NintendoHard:
** The game was very much designed to challenge those who got too complacent playing ''2016'', as even "Hurt Me Plenty" can be daunting for more casual players, who are very likely to die quite a bit on their first playthrough. Demons will quickly gang up on the Slayer and even the weakest zombie can do a ton of damage if given the chance. In addition, the far lower ammo cap and scarcer resource pickups compared to ''2016'' means that your resource management needs to be ''on point'' lest you run out of ammo against a particularly nasty demon, especially since the main methods of replenishing ammo/health/armor require you to remain up-close and personal with demonic hordes. That being said, the main source of difficulty in the game is the fact the core gameplay loop is ''significantly'' different from the vast majority of other First Person Shooters; once you understand how the game is intended to be played, it's actually reasonably manageable, especially once you start getting some decent upgrades.
** ''The Ancient Gods'' takes this to the point where even high-level players have compared it to the infamously difficult IWAD ''[[VideoGame/FinalDoom The Plutonia Experiment]]''; enemy combinations deemed too difficult for the main campaign are very much present here, traps and environmental hazards are far more prevalent, combat encounters are often designed to minimize any sort of breathing room (such as making you fight a Tyrant in a small and narrow hallway), and the Spirits, in particular, can turn a normal heavy demon into effectively a mini-boss.

** Maykr Drones can be first encountered in the Mars Core Slayer Gate, long before encountering them on Urdak. Even despite their Codex Entry stating they aren't physically strong enough to leave their realm.

ConspicuousElectricObstacle: One of the arenas in Exultia has a glowing blue electrified floor. More electrified floors appear in Cultist Base. In addition, many wall climbing sections often have small blue spheres that emit electricity and are better to be avoided.

** ''The Ancient Gods'' continues this trend. [[spoiler:The Doom Slayer finally kills the Dark Lord, sealing all demons inside Hell forever, by Hell's law. Since "The Father" can no longer have a physical form, and Dark Lord was additionally the true Father, this act also guarantees the death of Urdak and the end of the Maykrs (at least, any not in Hell). But the Divinity Machine that made the Slayer, well, the Slayer was powered by a piece of the Dark Lord's essence, meaning that he too is affected. The Slayer collapses onto the ground and [[BookEnds is placed in the same coffin he began the reboot games in]]. After 28 years plus countless millennia of carnage and war, Doomguy can finally rest...until he is needed once more.]]

** ''The Ancient Gods'' continues this trend. [[spoiler:The Doom Slayer finally kills the Dark Lord, sealing all demons inside Hell forever and, since the Dark Lord was the true Father, also guaranteeing the end of the Maykrs (at least, any not in Hell). But the Divinity Machine that made the Slayer, well, the Slayer was powered by a piece of the Dark Lord's essence, meaning that he too is affected. The Slayer collapses onto the ground and [[BookEnds is placed in the same coffin he began the reboot games in]]. After 28 years plus countless millennia of carnage and war, Doomguy can finally rest.]]

** Mostly played straight; the Slayer loses all of his weapons and upgrades from ''2016'', but he retains the jet boots that allow him to DoubleJump.

''DOOM Eternal'' is the {{Sequel}} to ''VideoGame/Doom2016'', developed by Creator/IdSoftware for PC, UsefulNotes/PlayStation4, UsefulNotes/XboxOne and UsefulNotes/GoogleStadia as the sixth main instalment in the ''Franchise/{{Doom}}'' video game franchise. Officially released on March 20, 2020[[note]]Video game retailer [=GameStop=] in the United States began selling it a day earlier due to the UsefulNotes/COVID19Pandemic to separate crowds buying this game from crowds buying ''VideoGame/AnimalCrossingNewHorizons'', which was released on the same day[[/note]], the UsefulNotes/NintendoSwitch version was released on December 8 as digital only. UsefulNotes/PlayStation5 and UsefulNotes/XboxSeriesXAndS versions were released on June 29, 2021, with free upgrades made available to owners of the [=PS4=] and Xbox One versions.

You once again play as the [[HeroicMime silent]], unnamed [[ComicBook/{{DOOM}} berserker-packin' man and a half]] clad in a green suit of PoweredArmor. It's been some time since you were sent on an [[SealedGoodInACan extended trip to parts unknown]] as your "reward" for [[TheBerserker ripping and tearing]] through a demonic invasion on Mars, and without you around, things have gotten ''much'' worse. TheLegionsOfHell have [[HellOnEarth invaded Earth]], but it's not just them you have to worry about now. The angelic Maykrs of the divine realm of Urdak, led by [[BigBad the Khan Maykr]], have forsaken humanity, and they aren't about to let you interfere in the affairs of Heaven.

!!''DOOM Eternal'' provides examples of:

** A popular joke on the internet asks if a given platform can run (the original) ''VideoGame/{{DOOM}}''. In ''Eternal'', [[spoiler:once you unlock all cheat codes and fully upgrade your Praetor Suit,]] you can play the original ''VideoGame/{{DOOM}}'' on a retro PC in the hub level. Yes, this means even DOOM can run DOOM.

* BroadStrokes: Subverted. Though ''DOOM (2016)'' implied the previous ''Doom'' games occurred in some general fashion [[spoiler:{{Flashback}}s in ''Eternal'' reveal all of them took place before the events of ''2016''. Further, the Slayer is in fact the Doomguy from ''Doom'', ''II'' and ''64'', who has been travelling between these {{Alternate Universe}}s thanks to the TimeyWimey nature of Hell.]] It also implies [[spoiler: that the DenserAndWackier novelizations are canon somehow, as Doomguy's name from the books, Flynn Taggart, serves as the password on his computer to unlock ''VideoGame/DoomII.'' His utterly nutterly-butterly characterization from the comic book is also referenced, as, in a flashback, he raves about "huge guts."]]

* CanonWelding: After ''DOOM (2016)'' seemingly being set in (yet another) separate continuity à la ''VideoGame/Doom3'' while still making obligatory references, ''Eternal'' outright confirms that [[spoiler:the Doom Slayer is indeed ''the'' Doomguy from the classic games]], at the same time welding ''VideoGame/Doom64'' into the main canon, despite it being made by Midway Games instead of id Software, as well as confirming the lore bits about the Slayer in ''VideoGame/QuakeChampions'' to be accurate, despite that game's LooseCanon approach. And if that's not enough, the presence of the lost city of Hebeth during the Mars Core mission heavily implies that [[spoiler: ''VideoGame/Doom3'' may have also occurred within the main timeline, albeit with a different protagonist than classic Doomguy.]] It is further supported by the presence of [[spoiler: a Soul Cube on Doomguy's desk]]. [[ContinuitySnarl Problems]] with this approach such as [[spoiler:the demons, Hell, and even the UAC marines in ''Doom 3'' appearing to be entirely different than in the reboots or originals, or Hell still being active with nigh-infinite armies here despite Doomguy having explicitly destroyed most of it at the end of ''Doom II'',[[note]]the demons in ''Doom 64'' were all spawned by the Mother Demon.[[/note]] are handwaved as the results of a multiverse and time travel (or rather time passing non-linearly in Hell). Cut dialogue from Khan Maykr confirms that Doomguy comes from "the seventh dimension."]]

** For a brief period of time, pressing the chainsaw button several times on the Rune select screen resulted in a quick image popping up that said "DOOG Eternal", a reference to [[WebAnimation/{{hololive}} Korone Inugami]], known for her playthrough of ''[=DOOM=] 2016''. Sadly, this was swiftly removed for unknown reasons.

* InMediasRes: The game opens with the Slayer arriving on the barge of the first Hell Priest, already knowing what his mission is, with VEGA active and the Fortress of Doom mostly operational. Later on, it's also revealed that each Priest has a Guardian that has to be defeated first. So, not only has Doomguy found a way out of wherever Hayden had sent him to at the end of ''DOOM (2016)'', got himself a spaceship and turned it back on, but he's also defeated a major boss just moments before the player takes control of him.

* LastChanceHitPoint: The Saving Throw rune returns from ''DOOM (2016)''. It triggers upon taking fatal damage and restores a minuscule amount of health while activating BulletTime, allowing the player to decide whether to keep fighting or plan a way out of the situation they're in. ItOnlyWorksOnce per "life", however, and recharges on death.

* MarathonLevel: As with ''DOOM (2016)'', playing on [[HarderThanHard Ultra-Nightmare]] turns the entire game into a singular Marathon Level due to CheckpointStarvation. It's downplayed, however, since you do get to return to the Fortress of Doom after certain levels. Chained levels like Nekravol (part 1) to Final Sin and both parts of "The Ancient Gods" provide more literal examples of this.

** [[spoiler:That said, Samur Maykr also uses Hayden's "It's a gift, take it" line from DOOM 2016 when giving the Slayer a powerup (in this case, putting him in the Divinity Machine to give him his powers in the first place).]]

** On Sentinel Prime, the Doom Slayer receives a flashback [[spoiler:of him being brought before the Sentinel priests that would eventually become the Hell Priests. This is already a bit of a shock if you haven't been reading the codexes, but the much bigger one is that a Sentinel presents what is unmistakably the helmet of ''[[VideoGame/{{Doom}} a UAC marine from the original DOOM]]'' to the priests, thus proving once and for all that the Doom Slayer and Doomguy are in fact one and the same.]]

* BigApplesauce: The 10-minute gameplay demo of Eternal’s intro shows that the ruined Earth city the Slayer visits is New York.

* {{BFG}}: As is tradition in the franchise, the game has multiple weapons as big as the Slayer:

** The Ballista, the replacement for ''2016's'' Gauss Cannon. It's nearly as long as Doomguy is tall, and fires a twin beam of superheated Argent energy that can turn most high-level enemies to fine red mush with just a few shots.
** The [[PunnyName Unmaykr]], which is essentially a laser cannon that uses the BFG's ammo. And as its name suggests, it will send any demon unfortunate enough to be at the end of its barrel back to their maker.

* {{BFS}}: The Crucible, a massive energy sword almost as tall as the Slayer himself. It can be used three times, and can pretty much slice up ''any'' demon with one hit, similarly to the Chainsaw from the previous game.

** Though the Sentinels used their Coliseum for "sacred bouts" to choose "worthy" soldier for their armies, their records indicate that they also just enjoyed gathering to watch criminals and trespassers kill each other. [[spoiler:Doomguy is indicated to have been very popular during his time as a gladiator, with the crowds happily chanting "Rip and tear!" during his matches.]]

** The Haste PowerUp, renamed as Overdrive, now grants this for the duration of its power.
** The Infinite Ammo Cheat Code gives the Slayer exactly that, for whatever mission he uses it in. Unlike Overdrive, it also extends the infinite ammo to BFG Cells and the Crucible.

** Two different flavours of this are presented in this game; there are the Slayer Gates which are tucked away in secret exploration areas throughout the game, and there are Master Levels. The latter is being offered throughout various real-time events, and function as the core levels of the game having much denser and higher-grade arena encounters, while the former pits you in a separate arena to fight against a plethora of high-level enemies.
** Horde Mode. You'll fight all of the assorted nasties from both the campaign and the two-part Ancient Gods DLC in a small boxed in Slayer Gate esque arenas, and you start with a shotgun and gradually acquire other weapons as you progress, though thankfully all arsenal, rune, and suit upgrades are already installed, though those is just a small comfort.

* ChekhovsGunman: [[spoiler:Commander Valen (a.k.a. The Betrayer), who was last seen providing a crucial item to the Slayer in the basegame, returns in ''The Ancient Gods Part Two'', along with an army he's helped assemble, to aid the Slayer during the assault on Immora]].

** [[HarderThanHard The ball-breaking Ultra-Nightmare]] returns with a vengeance. Not only do you (still) only have one life in this mode, gone are also all of the checkpoints, with the only way to save being to complete a chapter.

* CirclingBirdies: Stunning enemies with a hammer will make stars appear over their heads, accompanied with a sound effect.

** Extra lives are not reset on loading to a previous checkpoint. If you burn through one or more extra lives and still die to an encounter, any repeat attempts will be done with ''no'' extra lives.

* CorruptCorporateExecutive: The Union Aerospace Corporation is once again trying to sell out the rest of the human race to get a better position in Hell. While the Doom Slayer is walking through the command centre on Phobos, two techs are heard talking about how Corporate wants them to shut down the installation's defenses and ''let the demons in.'' The other tech is appropriately flabbergasted as to ''why''... though that quickly becomes a moot point when Doomguy walks up to them.

* CosmicHorrorStory: While definitely leaning to LovecraftLite thanks to the Doom Slayer, the Maykrs, an angelic-looking species, are an alien race that have made a deal with Hell to supply them with Human souls to harvest in return for Argent Energy. Meaning that everyone killed by the demons in this universe is sent to Hell to become fuel for Heaven.

** In ''Battlemode'', the Revenant can adopt the Sadist ability after Round 1 or 2, which lets its Twin Rockets attack deal more damage when at the shores of death.
* CurbStompCushion: As the Codex reveals, the invasion of Earth was met with resistance from Samuel Hayden, defecting from UAC and leading humanity's defense against the demons. It is strongly implied that he ultimately failed solely because the demons could simply afford to [[WeHaveReserves send in endless waves of invaders]] to whittle down humanity's resources: even so the ARC complex level seems to take place as they are mounting a last stand to preserve the body of the recently fallen Hayden.

** Your GoodOldFisticuffs aren't nearly as destructive as they used to be. Players who used to have Doom Slayer just punch things enough times to open them up for a Glory kill in the previous game will be quick to realize it's no longer the case. Hitting things with your fists in ''Eternal'' seems to be only good for mildly pushing stuff away from the Doom Slayer and deals negligible damage. When even the most basic of mooks can easily outpunch you in a scuffle, that's saying something.
*** That said, be sure to keep an eye on your Blood Punch gauge because when it's maxed, your punch will do a LOT of good for exactly one hit (as in smashing the guy in front of you, as well as the dipshits standing close to him). The Dash also has a hidden ability to stagger enemies as the melee attack did in the previous game.
** Barons of Hell can no longer be chainsawed. Those who used to do that to cheese them in the 2016 game will be in for a nasty surprise when they whip out the chainsaw in anticipation of a Baron running at them, and are surprised when they try to OneHitKill the beast with it and it does nothing.

** In general, at least on PC, people coming from ''Videogame/Doom2016'' have had to fidget around with the new keybinds. Want to swap out your weapon mod? Whoops, you used your Flame Belch. Want to crouch? Nope, chainsaw! Want to glory kill an enemy? Well, now you're swapping your weapon mod instead! Of course, nothing's stopping you from binding them back to "normal", but the new additions to your arsenal mean its easier to get accustomed to the new controls then to figure out what goes where.
* DeaderThanDead: While the Father did defeat the Dark Lord in the past, he only destroyed his physical body and left his Life Sphere intact. Despite technically being dead, the Dark Lord still existed as a disembodied spirit who could still command the forces Hell. The only way to truly kill the Dark Lord is to use his Life Sphere to resurrect him in his physical form and then destroy both his body and Life Sphere simultaneously. [[spoiler:This is exactly what the Doom Slayer does.]]

* DemonOfHumanOrigin: It's shown that all the demons of Hell are in some way the product of humanity and other sentient species. Many mortals who end up there end up suffering enduring torture until their soul can be extracted and used for SoulPower, while the soulless body can then be made into a new demon. Although, the [[DemonLordsAndArchdevils Hell Priests]] were allowed to retain their old personalities for giving up all of Argent D'Nur on a silver platter to the Dark Lord.
* DenserAndWackier: Compared to the more serious ''2016'', the developers have explicitly stated in interviews that they want Doom Eternal to have a similar tone to a [[SaturdayMorningCartoon Saturday Morning Cartoon]] or a [[ComicBooks comic book]]. This can be seen in expanded lore, cutscenes and dialogue with fantasy themes instead of the minimal story and optional FlavorText, map design emphasizing jumping puzzles and collecting [[OneUp 1-ups]] instead of more realistic environments, enemies and pickups with throwback designs reminiscent to past Doom games, and more vibrantly colorful glowing pickups and HUD, as opposed to the predominant red palette of ''2016''.

* DoorToBefore: You'll see this come up in this game a bit, particularly when you find a secret (you can see the secret from the outside and when you actually find it, the door blocking you the first time you saw it now opens for you to go back to where you started without having to return the way you came).
* DoubleJump: Doomguy has an ability to jump again mid-air. Unlike in ''Doom 2016'', he has this ability from the start.
* DownloadableContent: At least two single-player expansions are planned for post-launch release and can be purchased separately when they come out or in the "Year One" content bundle. These make up ''The Ancient Gods'' story-line, following on from the ending of the base game and, according to Hugo Martin, will be just as content-rich as a full game.

* DramaticGunCock: Twice, once during the intro, and one at the end of TheStinger.

** NoPunIntended, but the whole game is this compared to the last one. Health, ammo, and armour pickups are much scarcer and what ammo is there goes towards a very low cap you'll quickly burn through. On the other hand, glory kills still restore health, the [[KillItWithFire flame belch]] produces armour, and a minimal level of chainsaw fuel regenerates. All of these have limited range, meaning the best way to stay topped up is to get stuck in.

** Slayer Gates, being extra challenges, can sometimes feature enemies that won't appear in the game until some time later. The most notable example being the Mars Core Gate, which features [[spoiler:Maykr Drones]] several levels before they appear in regular gameplay.

* EarlyGameHell: An even more pronounced variant than in ''2016''. You don't get the stronger weapons until about the third mission, and the first two missions have no restraints about throwing a number of stronger demon variants at you with no warning. That being said, you scale up ''much'' faster than in ''2016'', and by the end of the second level you'll have gained several dozen new moves to compete with the demons on a much more even playing field.

** Glory kills are a key ingredient to surviving protracted battles. There is something of a learning curve involved in figuring out the sweet spot with each weapon and fodder demon. Hit them too soft and they'll just keep attacking you, but too hard and they'll die, depriving you of much-needed health pickups. This is perhaps best illustrated by the Heavy Cannon, a full-auto that will stagger an imp with exactly three shots. Fire one too many or one too few in the early game with your exceedingly low hit point pool and you're going to wind up dead instead of healed.

* EarnYourHappyEnding: [[spoiler:One possible way to interpret the end of the second DLC, ''The Ancient Gods - Part Two''. The Slayer finally kills Davoth, the master of Hell and effectively God of the Universe, which in turn kills every demon outside of Hell and permanently strands those that remain within. As the Slayer finds out, ''he'' is technically included in that number, in that the Divinity Machine which empowered him drew on the essence of Davoth. Reduced to the man he was before, he collapses and is last seen being placed into [[BookEnds a stone sarcophagus etched with his symbol]] in a place of honor on Argenta. While this ''could'' be seen as a BittersweetEnding, the Slayer finally getting to rest after eons of fighting the forces of hell comes off as mercy. Even then, it's implied he's only sleeping, and will awake again should Hell threaten the universe.]]

** One of the books on the bookshelf in the Fortress of Doom is labeled "How to Comb Your Mustache" by Clifton M. Fischbach, which is the name of Let's Player WebVideo/{{Markiplier}}'s father.

*** After acquiring all the three Gore Keys in the Super Gore Nest level and putting them in their "locks", three balloons will appear around the area. Popping all three of them will cause a crowd to boo you and spawn a cake near where the "locks" are with a Soul Sphere on top... which spawns two Tyrants when you pick it up(!).
*** After completing the World Spear level and unlocking fast travel, you can warp back to the first arena after the dragon ride cutscene and find a sword. Interacting with it will spawn in ''[[ThisIsGonnaSuck five Marauders]]''.
** In Exultia's Hell segment, an isolated classic Doom wall texture can be found. Interacting with it will cause it to rotate 180 degrees, followed by cheering. This is a reference to an error made in ''2016'''s classic levels where one texture was flipped by mistake, and a silly TakeThatAudience to those who got annoyed with it.

* EmptyRoomPsych: Unlike the first game, there are more progression items (Sentinel Batteries, Praetor Tokens, Weapon Upgrade Points) in the game than are necessary for HundredPercentCompletion. The surplus serve no purpose apart from checking everything off.

* EnergyWeapon: The Ballista - the replacement of the Gauss Cannon from the previous game - a high tech version of a bolt thrower that fires projectiles made of superheated argent energy. The bolts can even be overcharged with so much energy they ''explode'', or charge up to release a massive beam that cuts through anything but the toughest demons.

** Shortly before the climatic battle with the Khan Maykr, you have to go underwater to hit some switches and activate an elevator, but [[spoiler:submerged in the water is a giant demon-esque alien with tentacles. Turns out that's what the Khan actually looks like underneath her angelic armour.]]

** Early in the game, tutorials about weak points of particular enemies pop up just before enemies themselves do.

** [[spoiler:Throughout the game after he is found, Samuel Hayden consistently refers to humans as the Doom Slayer's people and Earth as ''his'' planet, rather than ''their'' planet, indicating that he is not actually human at all. The exposition becomes more and more blatant over the course of the game from there, with him having information about the Doom Slayer's life (which he could have possibly found from records around the invasion) to information only accessible to Maykrs (which is decidedly impossible to anyone ''but'' them).]]

** Upon reaching the BFG 10K station in "Mars Core," the familiar scene from the gameplay reveal plays, where the Doom Slayer once again swipes the Plasma Rifle from a UAC guard before proceeding on his way, complete with dramatic flourishes... except that he already found the Plasma Rifle on Exultia a few hours ago. Seems like the Slayer forgot that he already has one (and no, you can't duel wield Plasma Rifles now -- apparently, the Doom Slayer just threw the other one away).

** The Chaingun also makes it return. Unlike the last game, it no longer needs to be spun up before firing; the Gatling Rotator mod is replaced by an energy shield, and the Mobile Turret gains an additional set of barrels.

* GenocideBackfire: The Maykr have facilitated the sacrifice of numerous worlds to TheLegionsOfHell for their own benefit. The Doomslayer, [[spoiler:secretly empowered by one of their own]], proceeds to throw a wrench in their plans to create HellOnEarth and [[spoiler:ultimately causes the extinction of the Maykr themselves.]]

* HeadCrushing: Several [[CruelAndUnusualDeath Glory Kills]] involve smashing an unlucky demon's head into paste, either from above [[GoombaStomp with his boot]] or the demon's head being between the Doom Slayer's fist and a hard surface.
* HealingBoss: The final battle with the Dark Lord in the Ancient Gods DLC has him healing up some of his lifebar when he hits you with one of his shield or sword attacks. The Dark Lord has multiple lifebars that must be taken down in order to end him for good, but this healing ability only applies to the current lifebar and cannot be used to bring back lifebars already taken down. Considering that the Dark Lord is essentially Hell's version of the Doom Slayer, who can heal by Glory Killing demons, this is quite justified.
* HeavenVersusHell: In an unconventional fashion. [[spoiler:The Maykrs are an alien race that are the closest thing the Doom universe has to angels, and at first, they're actually ''directing'' the demonic invasion. However, the Khan Maykr ends up breaking their pact with Hell by summoning the Icon of Sin in a desperate attempt to stop the Doom Slayer's rampage, leading the demons to invade Urdak, the Maykrs' homeworld, thereby sparking a war between angels and demons.]]

** Urdak, the analogue to Heaven in the Doom franchise, consists of flying cities of marble-white/gold/crimson metals and crystal glass, perched on rocks whose composition more resembles motherboard circuitry than minerals. Its inhabitants, the Maykrs, are all cybernetically enhanced, capable of levitation and armed with energy weapons. This is in stark contrast to Hell's MeatMoss-encrusted medieval architecture and primitive, bestial inhabitants.

* InterfaceSpoiler: The main menu promo for ''The Ancient Gods - Part One'' spoils that the Doom Slayer [[spoiler: kills the Khan Maykr]] at the end of the campaign.
* InvisibleWall: The game has plenty of occasions where invisible wall stops players from progressing out of the intended field. Sometimes you can encounter them just by running off the beaten path, like in Sentinel Prime level.

* LighterAndSofter: While the game is by no mean light nor soft, it can feel like it by comparison with the previous installment which had an austere post-apocalyptic atmosphere and a small cast of (living) characters making the world feel desolate and dark. Here, the environment are more colorful and some levels take place in broad daylight, adding to that, the setting is more populated and home to some humorous moments.

* LoopholeAbuse: The game won't actually end when the player runs out of lives in Extra Lives mode if one quickly reloads from checkpoint before the screen has completely faded to black. Of course, they will be resuming play without their life stock restored, but hey that's something.

** ''The Ancient Gods: Part 2'' features Riot Troopers, a variant of Shield Zombie Soldiers with indestructible shields; as a trade-off, they turn much slower than their normal counterpart, allowing the Slayer to demolish them from the flank. [[spoiler:Davoth himself employs a Marauder-like shield during the final showdown, which he can also use for some powerful attacks]].

** The Plasma Rifle now has a Microwave Beam mod. When fired at a demon, the creature visibly swells and trembles as it is being literally ''cooked alive'', until its body can no longer take it and then, [[PopGoesTheHuman "Pop!" Goes the Demon]]. Those exploded this way will deal SplashDamage to their fellows around them. Bigger demons take more time and ammo for the beam to kill but also result in a bigger, more damaging explosion as well.

* MarathonLevel: As with ''DOOM (2016)'', playing on [[HarderThanHard Ultra-Nightmare]] turns the entire game into a singular Marathon Level due to CheckpointStarvation. It's downplayed, however, since you do get to return to the Fortress of Doom after certain levels. Continuous level chains like Nekravol (part 1) to Final Sin provide more literal examples of this.

** Everyone (except the Intern) immediately decide to evacuate when The Doom Slayer [[spoiler:brings back the Dark Lord's life sphere instead of the Father's.]]

* MegatonPunch: The Doom Slayer uses a rather "hands-on" strategy for dealing with cracked walls, or large blocks that need to be pushed. He also gets the Blood Punch ability, which can be charged up by performing glory kills for a devastating melee attack which gibs anything weaker than a Hell Knight.

* MissionControl: Following the Slayer creating a backup of his program in the previous game, VEGA continues to perform this role, creating portals where needed, advising the Slayer on useful strategies and handling development of weapon modules for his Praetor Suit. [[spoiler:Midway through the game, Samuel Hayden returns to this role after the Slayer recovers [[HalfTheManHeUsedToBe what's left of him]] and plugs him into the central core within The Fortress of Doom. After Hayden returns to his Maykr body, his mission control duties are transferred to an ARC intern, while VEGA, now as the Father, joins him after another trip to Urdak]].
* ModelMuseum: Tthe Collectible Viewer, a mechanic that functions similarly to the instance in [[VideoGame/Doom2016its predecessor]]; you collect figurines as part of secrets and can freely view them and their animations, encompassing various characters and demons alike.

* MoneySpider: All enemies drop pickups, the type and volume dependent on how you kill them and certain other factors. Enemies will drop small amounts of health when killed, with a bonus if done with a Glory Kill. Enemies killed by the chainsaw drop ammo, which you'll do every so often to replenish your limited ammo supplies. Enemies currently on fire drop armor pickups.

* MoreDakka: Along with the returning Chaingun and its mods (and helped by the Chaingun no longer needing to spin up first so you're firing at max output as soon as you pull the trigger), the Combat Shotgun has a Full-Auto modification that transforms it into an automatic, [[GatlingGood multi-barrelled]] shotgun.

** The Chainsaw can never have more than three units of fuel, and Super-Heavy demons are completely immune to it. While it's more vital than ever to keeping your guns loaded, it's completely lost its secondary purpose as a single-enemy-deleting panic button. That function instead lies with the Crucible.

** As far as enemies go, the Imp, Possessed Soldier and [[ShieldBearingMook Possessed Security]] were constantly present and VERY dangerous in ''2016,'' the last of those three being hated by many due to their frustrating ability to block your attacks. In ''Eternal,'' the Imp's fireballs don't do nearly as much damage, the Blaster Zombie Soldier's charged attack is far smaller, slower, less damaging and doesn't explode anymore, while the Shield Zombie Soldier's shield is far less durable and can be overcharged with the Plasma Rifle for a massive explosion; their attack can still shred you to bits in moments at close range, but does no damage at all if you're more than a foot or so away from them. This is somewhat offset by the fact that the most frustrating elements of the Possessed Soldier and Security were given to new, more dangerous enemies; the Arachnotron has gained the Soldier's charged shot with its quad-bomb volley, and the Marauder takes the Security's shield and turns it up to eleven.
** Hell Knights were brutally-dangerous close range bruisers who forced you to stay on your toes in ''2016.'' However, they have received no new moves or mechanics to help them keep up with the Slayer's mobility in ''Eternal'' - they are noticeably faster with their attacks and use their ground-slam more often, but neither of these adjustments allows them to overcome the Dash ability. This is also slightly offset with the inclusion of the Dread Knight, whose arm-blades give it a greater attack reach, area-denial properties to its ground-slams and an additional projectile attack for long-range combat.

** The Ballista, ''Eternal'''s equivalent to ''2016's'' Gauss Cannon, zig-zags this trope. It's still the undisputed ruler of single-shot DPS, and its two mods fulfil the same purposes as the Cannon's did; however, they've both been tweaked to demand greater skill from the Slayer. Both mods are now projectile-based instead of hitscan. The Arbalest can be fired more quickly and deals additional damage to airborne enemies, but takes longer to charge up. The Destroyer Blade is a straight nerf - until you master it, at which point it becomes ''superior'' to Siege Mode when used properly.

** Right after obtaining the Blood Punch, a lift takes you down and opens up to a trio of demons in an uncomfortably close distance - perfect for the Blood Punch to demonstrate its power.

** Just like last game, after obtaining the BFG-9000 you pass through a few doors and come face to faces with a horde of demons. Once again, a ''single'' shot reduces them all to gore.

** [[spoiler:According to the codex entries, the Maykrs gave the Sentinels the "Divinity Machine" so that they could find and kill someone foretold to destroy the Maykrs. Samur used it to empower the Doom Slayer in order to fight against the demons (and, by extension, the Maykrs), eventually resulting in the destruction of the Maykrs.]] Of course, as with everything else, there's quite a lot of ambiguity going on. [[spoiler:There are some implications that the Divinity Machine ''was'' originally intended to empower someone like the Doom Slayer to fight evil for all eternity, and the Maykrs perverted its purpose, meaning that Samur was using it for its intended use after everyone else was using it wrong]].
** In gameplay, the Microwave Beam's meter indicates how far the enemy is from dying and exploding. However, this is also the only way to get an HP readup of enemies outside of any boss health bars, giving the mod usage outside of its actual attack.

* PhotoMode: An upgrade from VideoGame/Doom2016, now with stylized menu, Slayer visibility, posing and offset.

* PlayerHeadquarters: New to ''Eternal'' is the Fortress of Doom, a space station orbiting Earth that serves as a HubLevel and the Slayer's headquarters between missions. The player can collect Sentinel Batteries in stages to unlock more areas and items within the Fortress, such as new weapons, costumes, and a Ripatorium to practice your moves in without risk of dying or losing inventory.
* PocketRocketLauncher: The Micro-Missile [[GunAccessories weapon mod]] from ''2016'' returns, this time mounted on the Heavy Cannon and featuring an additional pod, doubling its missile output per-volley from 6 to 12.

* PostVictoryCollapse: In the finale of the ''The Ancient Gods'', [[spoiler:the Slayer collapses and passes out after the defeat of Davoth, either from the millenia of fighting finally catching up to the Slayer after accomplishing his end goal or because Davoth's essence was used to empower him and Davoth's death has removed it]].

* ProlongedVideoGameSequel: The game has the same amount of levels as it’s [[VideoGame/Doom2016 predecessor]] but ups the ante by having said levels be significantly bigger and having additional side challenges to complete. This is on top of having a hub in between levels. With the two-part Ancient Gods DLC included (which Doom 2016 only had for its multiplayer), the game is 6 levels longer.

* QuadDamage: Makes a return in ''Eternal'', now renamed Onslaught. Other than the name change, it's functionally identical to Quad Damage. With one of the collectible "Cheat Codes", you can turn the powerup on for an entire mission.

* RagnarokProofing: Many pieces of Argenta technology remain functional despite having been abandoned for millions of years. Most notable is the slipgate in the city of Hebeth, which is still functional millions of years after a planetwide seismic event buried the city deep in the planet's crust.

* ReclaimedByNature: The aptly named "Reclaimed Earth" level in ''The Ancient Gods Part 2'' is set in a UAC facilty after Hell's failed invasion of Earth. The Doom Slayer comes here to activate the Gate of Divum so that he can go to Immora and face [[FinalBoss the Dark Lord]]. Notably, an observant player can notice that much of the vegetation looks very similar to the demonic MeatMoss that covered cities during the invasion, up to and including tentacle-like tree branches wrapped around buildings. Either it is an egregious case of PaletteSwap or an implication that all the demonic material [[WorldHealingWave transformed into vegetation when the invasion was halted]].

* ReimaginingTheArtifact: Not one that's specific to Doom (or was ever in Doom until now), but one that's present in other games: ''Eternal's'' 1-up system makes an appearance here as a means of continuing ''immediately'' from death upon the moment the Doom Slayer's health is depleted, complete with MercyInvincibility, given the game's increased difficulty relative to its predecessor. It makes a ''huge'' distinction from the "restart from checkpoint" method other games with limited lives use. Suffice to say, MeaninglessLives is ''absolutely'' defied here.

* RewatchBonus: Near the end of the first level, one who's already played through the game may notice that [[spoiler:the statues at the entrance to the demonic citadel are not of demons, but of Maykr Angels, foreshadowing Urdak's alliance with hell.]]

* SanitySlippage: In place of the Slayer Testaments are the logs of Dr. Elena Richardson, a scientist observing the Slayer. While the first of her entries have her try to observe him with some level of scientific objectivity while denouncing her colleagues for declaring him a god, in the second entry she sees him as an avenging angel of some sorts. By the fourth entry she is outright ''worshipping'' him.

* SceneryGorn: The game offers many sceneries of HellOnEarth with ruined cities overtaken by demon under a stormy sky, tentacles coming out of the clouds to grab buildings while titanic demons walk the earth in the background, while the Super Gore Nest is a wrecked mall overgrown with flesh littered with the mangled corpses of human victims. Hell itself is still as bleak with some parts covered in tortured souls.

** Doom Eternal also showcases some pretty breathtaking scenery of Sentinel cities, whether they are overgrown ruins or still occupied and well-maintained. The Sentinel levels' baroque architecture combined with a more serene atmosphere make them quite beautiful when the Slayer isn't busy killing demons.

* ShotgunsAreJustBetter: The game doesn't even bother to give you a pistol, as the preceding titles did; it cuts right to the chase and gives you the Combat Shotgun as your starting weapon. Continuing the series' proud tradition, it will be the workhorse of your arsenal. Even late-game, it remains versatile and effective, be it taking out enemy weakpoints, cleaning up Fodder or finishing off Heavies and Super Heavies. The Super Shotgun, meanwhile, combines an excellent mobility tool with hideous stopping power, ''and'', when mastered, its meathook will briefly set enemies ablaze, making every victim of it an armor pinata waiting to be blasted open making it a critical part of both movement and damage combos.

* SleevesAreForWimps: {{Exaggerated}} - the upper arm portions of the Doom Slayer's ''full-body protective armour'' have been removed in this game, in part to illustrate visually that he's more of TheBerserker than ever. The sort of biceps one develops from a steady regime of tearing demons apart barehanded are in clear view. Drawing attention to this, the Milestone for unlocking the 2016 game's Praetor suit is called "Concealed Guns".

* SwampsAreEvil: The ''The Ancient Gods - Part One'' introduces the Blood Swamps, an area of Hell that the Doom Slayer must traverse to complete several trials and reach [[spoiler:the Father's life sphere]]. It is particularly hostile even for Hell, as it is crawling with demons (including a giant version of the tentacles), the local flora releases deadly spores, some areas are covered in a heavy mist that makes it difficult to see further than point-blank range while others are covered in a noxious mist that would kill the Slayer in an instant if he stepped in it without protection.

* TacticalRockPaperScissors: ''Eternal'' is almost as much of a puzzle game as it is an FPS; in order to get anywhere, you need to learn how to use the varying tools in the Slayer's arsenal to deal with different threats. Every weapon has a specific use, to the point that all of them remain relevant straight through to the end of the game. This plays into the AchillesHeel aspect of enemy design, as specific weaponry is often key to exploiting a demon's weakness - for instance, the Precision Bolt can shut down Revenants, Mancubi and Arachnotrons by destroying their weak points in a single hit from long range.

* TimeSkip: The action picks up months after the ending of ''2016'', with the Doom Slayer back in action and now in charge of a command center in space.

** The Slayer can now use a [[VideoGameDashing dash]] to stay one step ahead of his foes; he also gains [[MegatonPunch the Blood Punch ability,]] allowing him to pulverize or severely-injure even the heaviest enemies. His Super Shotgun also gains a meathook that lets him zip around the battlefield even more quickly.

** [[ZigzaggedTrope Zigzagged]] with Cacodemons. In ''2016'' they were dangerous, but not so much so that they needed to be priority targets. In ''Eternal,'' they pose a massive threat at any range. Their bite can obliterate most of your HP bar, or flat out [[OneHitKill gib you if you haven't upgraded your health yet.]] Their projectiles hurt almost as much, and they gain the ability to spit out a volley of ''five'' energy balls in a continuous stream. If you leave them to their own devices, they'll sneak up on you and make you regret it. However at the same time they gained a crippling weakness to [[FeedItABomb grenades/sticky bombs]], both of which are obtainable in the first mission before fighting them, which staggers them for an easy OneHitKill, making them substantially less dangerous than other heavy demons.
** The Mancubus was a MightyGlacier in ''2016,'' but he's now [[{{Acrofatic}} surprisingly nimble,]] able to leap onto ledges to ambush you. Worse yet, his fireballs are faster and have a bigger explosive radius, and he gains several close-ranged attacks to prevent you from getting in close and mincing him as easily.

* UglyAllAlong: The [[AngelicAbomination Khan Maykr]] on the surface looks like a heavenly divine being, but over the course of her boss fight, as the Doom Slayer knocks off more and more of her armor, her face is revealed to be hideously monstrous and bearing uncanny resemblance to a demon, serving as symbolic representation that, for all her claims of herself being divine and superior, she is no different from demons the Slayer fights.

* UnderestimatingBadassery: The villains of this game know the Doom Slayer is the greatest warrior the Night Sentinels have ever produced, to the point of being perhaps the only man ever that managed to fell a Titan with but a Crucible blade on-foot. They still proclaim that he is JustOneMan to his face to try to discourage him from coming after them, and then think that he's going to be a pushover in a direct confrontation. [[ForegoneConclusion He's not.]] And this is especially egg on the Maykrs' faces, given that they are completely oblivious [[spoiler:to his prior crusades and OneManArmy extinction events he's pulled on Hell as the original Doomguy before they even met him.]]
* UnderwaterBase: The UAC's Atlantica Facility has an underwater zone built on the very seafloor. The Doom Slayer grabs a submarine and dives at the bottom of the sea to enter it. Some sections of the base are destroyed and flooded, and he must swim on several occasions.

* UnreliableNarrator: The Lore texts that can be found throughout much of ''The Ancient Gods'' are apparently written by Samur Maykr, who is not really a reliable source. [[spoiler:The entire origin story of Davoth, aka the Lord of Hell, is changed to make him essentially a perfect SatanicArchetype: a sort of archangel created by [[{{God}} the Father]] who rebelled against Him, and was locked away in Hell for his wicked deeds. Davoth is in fact the ''original'' Father, whose position was usurped by the Maykrs, who banished him and made one of their own into the new Father. He seeks vengeance on all of creation for this betrayal.]]

** The UAC Spokesperson seems to have pulled a KarmaHoudini, since nothing is known of her whereabouts after her final rant and the demonic invasion has gone completely south. This is emblematic of the UAC in general, who at the end of the main campaign still seem to exist as a coherent entity. ''The Ancient Gods - Part One'' indicates that they're still attempting to defy efforts to clean up the last of the demonic invaders.

** Taken to its logical conclusion with the Precision Bolt's Mastery, Headshot Blast, in which headshots create a ''violent'' explosion that damages and stuns enemies around the headshotted target.

''DOOM Eternal'' is the {{Sequel}} to ''VideoGame/Doom2016'', developed by Creator/IdSoftware for PC, UsefulNotes/PlayStation4, UsefulNotes/XboxOne and UsefulNotes/GoogleStadia as the sixth main installment in the ''Franchise/{{Doom}}'' video game franchise. Officially released on March 20, 2020[[note]]Video game retailer [=GameStop=] in the United States began selling it a day earlier due to the UsefulNotes/COVID19Pandemic in an effort to separate crowds buying this game from crowds buying ''VideoGame/AnimalCrossingNewHorizons'', which was released on the same day[[/note]], the UsefulNotes/NintendoSwitch version was released on December 8 as digital only. UsefulNotes/PlayStation5 and UsefulNotes/XboxSeriesXAndS versions were release June 29, 2021, with free upgrades made available to owners of the [=PS4=] and Xbox One versions.

* ''Doom Eternal'' builds upon the gameplay loop of its predecessor, emphasizing not only the quick savage combat, but a more tactical approach from the player, with enemies now acting as a source of not only health as in ''2016'' but also ammunition and armor depending how they are killed. Reduced ammo pools encourage the player to vary their weapons, while endlessly spawning lower grade enemies act as living health, ammo or armor drops, encouraging mobility and relentless aggression.

Unlike ''2016'', ''Doom Eternal'' has single-player campaign DLC taking place after its main story, the two-part ''The Ancient Gods''. ''Part One'' was released on October 20, 2020, while ''Part Two'' launched on March 18, 2021.

On March 21st, 2023, a top-down shooter spin-off called ''Mighty Doom'' was released for mobile devices, starring the collectible figures of the Doom Slayer and his rogues gallery as he tries to save Daisy from the demons' clutches.

* OneUp: Unlike the previous game, you can find these collectibles in the environment. Some of them can take a bit of legwork to collect, however, since most of them are secrets. Should you die with an extra life, you won't be booted to the last checkpoint but be revived on the spot instead. These are especially important on Extra Life mode since the game ends and deletes your save when/if you die again after running out of lives. Averted in Ultra Nightmare mode; some of the extra life pick-ups are replaced by Mega Armors or Supercharges, whilst others are outright removed.

** Pain Elementals no longer spew hordes of hard-to-hit Lost Souls that require too much ammo to destroy - if anything, they become merely tankier Cacodemons, the latter of which can actually deal higher DPS! However, YMMV on this, since the Lost Souls they spew still pack a wallop and unlike Cacodemon projectiles, they chase after you. And also unlike Cacodemons, there is no way to stagger them in one hit.
** The Archvile has become less aggressive, and is no longer a hitscanner whose attacks literally halve your health in one hit. In addition, faltering it with certain explosives or heavy weapons will disrupt its summoning cast, giving you a lot more breathing room.

* TheAlliance: The Armored Response Coalition (ARC), formed by the Allied Nations and composed by the remainder of Earth's military forces and non-cultist UAC personnel (particularly Samuel Hayden, who became ARC's director shortly after its formation) to oppose the demon invasion.

* AllThereInTheManual: As it was in ''2016'', the Codex is present to give an exposition that's not already explained in the story (though sometimes you'll find a Codex entry, read it, then enter a scene immediately after that briefly repeats what was in the Codex entry thanks to an expanded focus on plot in ''Eternal'').

* AngelsDevilsAndSquid: This setting has the Demons of Hell (devils), the Maykrs of Urdak (angels [[spoiler:that look like squids]]), and the Wraiths of Argent D'Nur (squid). The wraiths really seem important in the cosmology, as their energies can be mixed with Hell's to create something the Maykrs can use, and the Maykrs knew about the Wraiths before they found their counterparts in Hell.

** Up to seven Mastery Tokens can be found in the game from the levels Taras Nabad to Urdak. These tokens allow the player to skip a given weapon mod's mastery challenge and instantly grant them the final Mastery upgrade. This can be leveraged to skip the more onerous challenges (e.g. those that require killing a specific enemy), complete those unlocked late in the game and wouldn't otherwise have time to complete, or when playing Ultra-Nightmare or Extra Life Mode (which prevents the player from replaying previously-completed levels and subsequently grinding the challenges). It isn't enough to skip all 13 Mastery challenges, but more than enough to unlock the more difficult to achieve ones.

** The demons landing on Earth bring with them a planetary societal collapse, with most of humanity dead, cities everywhere reduced to ruin, and what remains of humanity struggling to fight back. It would've caused the extinction of humanity had the Slayer not showed up.

* AsymmetricMultiplayer: Doom Eternal's primary Multiplayer offering is Battlemode, a 2v1 deathmatch which pits a single Doom Slayer against two demons of the opponent's choice in a best-of-five match. Player-controlled demons will have the ability to spawn lesser AI-controlled demons, but doing so presents a risk because the Doom Slayer can glory kill them for health pickups.

* AwkwardSilenceEntrance: Upon arrival to the Phobos base, every worker of the UAC is stunned upon the presence of [[TheDreaded the Doom]] [[PlayerCharacter Slayer]], either due to his status, or the fact that he ''literally walks out of their broom closet''.

** Surprisingly, the Unmaykr. Granted, its firepower is rather obscene for such a rapid-firing weapon, but using it means you're trading the BFG's wide-spread [=AoE=] nuking damage for MoreDakka, in which case it becomes a glorified late-game Plasma Rifle with no mods that consumes the sparse Argent Cell ammunition as the BFG, that you can no longer get back with the right Rune. It becomes sort of a SituationalSword if you mostly use it on bosses, but there's never an actual moment where using it is necessary, and you can clear the game without it perfectly fine. Good thing is, it's slightly more ammo-efficient than the BFG as it consumes only one Argent cell per shot compared to the BFG's 30, and operates better in more cramped, claustrophobic arenas where a fired BFG ball would be unable to travel far enough to properly clear it out. Also, it is a better option for disposing of super heavy enemies if you can't or don't want to use the Crucible; a Tyrant is able to survive a BFG ball to the face (which costs 30 ammo), but the Unmaykr needs only around 20 ammo to kill it.
** The Chrono Strike rune. Sure, being given an on-demand slow-motion command may greatly assist at aiming for weakpoints and grabbing some downtime during a fight, but the rune being activated on ''every'' mod instead of a select few makes it highly impractical for use in the late-game.

** Switch to permanently open a gate that required to progress usually made in shape of green, glowing stone skull embedded in a cross-like small pillar.
** The large crack that glows green is required to progress through the game, the cracks that are not glowing indicates secret, and the cracks that glow orange require it to be smashed by other object.
** Glowing crosshair or buttons that can be shot to open something that required to progress.
** Glowing green punchable marks with three buttons, usually for timed switchs and blocks.
** Climbable walls with horizontal line ridges.

* BeefGate: The final arena before acquiring the Super Shotgun fills this purpose, locking you into a narrow room with Mancubi, Whiplashes, and an Arachnotron. This would be bad enough, if it didn't also [[FromBadToWorse set the walls on fire,]] limiting your mobility. If you haven't mastered the dash and learned how to combo your gear properly, you will die.

** ''The Ancient Gods'' continues this trend. [[spoiler:The Doom Slayer finally kills the Dark Lord, sealing all demons inside Hell forever and, since the Dark Lord was the true Father, also guaranteeing the end of the Maykrs (at least, any not in Hell). But the Divinity Machine that made the Slayer, well, the Slayer was powered by a piece of the Dark Lord's essence, meaning that he too is affected. The Slayer collapses onto the ground and [[BookEnds is placed in the same coffin he began the reboot games in]]. After 28 years plus countless millenia of carnage and war, Doomguy can finally rest.]]

* SpeedRunReward: Beating the first mission of the game, Hell on Earth, in less than 11 minutes gives player a '''A Bat Out of Hell''' milestone.

* SuperheroPackingHeat: The Doom Slayer in addition to his guns has super strength, invulnerability, super speed and travels across space and time to give Hell, Hell.

** One of the books on the bookshelf in the Fortress of Doom is labeled "How to Comb Your Mustache" by Clifton M. Fischbach, which is the name of Let's Player LetsPlay/{{Markiplier}}'s father.

* LighterAndSofter: Environments are less dark and cramped, and the self-aware humor has been amped up a few tics. However, the story has become relatively more dramatic and complex.

You once again play as the [[HeroicMime silent]], unnamed [[ComicBook/{{DOOM}} berserker-packin' man and a half]] in his suit of grey-green PoweredArmor. It's been some time since you were sent on an [[SealedGoodInACan extended trip to parts unknown]] as your "reward" for [[TheBerserker ripping and tearing]] through a demonic invasion on Mars, and without you around, things have gotten ''much'' worse. TheLegionsOfHell have [[HellOnEarth invaded Earth]], but it's not just them you have to worry about now. The angelic Maykrs of the divine realm of Urdak, led by [[BigBad the Khan Maykr]], have forsaken humanity, and they aren't about to let you interfere in the affairs of Heaven.