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6{{Omnicidal Maniac}}s in video games.
7----
8* Ledgermayne from ''VideoGame/AdventureQuestWorlds'' wants to end all life on Lore by sealing off all magic from it, knows said motivation of its own, and doesn't care if all life dies off if it succeeds.
9** [[spoiler:Noxus also counts as one in the same game as well. The fact that he created Vordred with Sally's help was his first step towards turning all life on Lore undead. And that's not all - his attack on Shadowfall was also part of his plan to cause the end of the world by turning everyone undead.]]
10** [[spoiler:Kezeroth the World Ender in the 2012 Frostval event, who wants to kill off all life on Lore by bringing Quetzal's Comet down upon Lore and awakening the great beast Quetzal. He is a StrawNihilist who believes that he is an agent of nothingness and that the universe's true nature is decay and rot, that hope is a lie and that joy such as that experienced during Frostval is a mask that all life wears to hide from the truth]].
11* The BigBad of ''VideoGame/AmnesiaAMachineForPigs'' wants to exterminate all of humanity because [[spoiler:it's a fragment of the protagonist's consciousness that saw into the future and witnessed [[HumansAreBastards the various horrors of the 20th Century]], such as the meatgrinder battles of UsefulNotes/WorldWarI, the UsefulNotes/AtomicBombingsOfHiroshimaAndNagasaki, and [[UsefulNotes/{{Cambodia}} the atrocities of the Khmer Rouge]], and then promptly decided on inflicting a twisted species-wide MercyKill on humanity. Its [[AxCrazy insane]] [[LargeHam ravings]] truly have to be heard to be believed.]]
12* ''VideoGame/AncientDomainsOfMystery'': The goal of the Chaos beings, who invade the realm from another dimension. Also, it is possible [[spoiler: for the player to defeat the Chaos God, take his place, and do it by himself.]]
13* [[spoiler:Kerghan]] from ''VideoGame/ArcanumOfSteamworksAndMagickObscura'' combines this with WellIntentionedExtremist, seeing death as the natural state of existence, life as an abomination, and his plan to bring about the extinction of all beings as an act of mercy. [[spoiler: The scary part is, ''[[VillainHasAPoint he's right]]''.]]
14* ''VideoGame/ArmoredCoreForAnswer'' has Old King. [[spoiler: And you when siding with him.]] The reasons for it are ''never'' made clear, but [[spoiler:siding with him means going straight for the very last habitats humanity has left and shooting them down one by one]].
15* In ''Franchise/BaldursGate'', followers of the [[GodOfEvil God of Murder Bhaal]] are guaranteed to be this. Special mention goes to [[spoiler:[[TomatoInTheMirror The Dark Urge]]]] in ''VideoGame/BaldursGateIII'', whose EvilPlan was to [[spoiler:end all life, everywhere, [[ThanatosGambit and then his own]] [[TheAntichrist in his father's name]]]].
16* The main villains of ''VideoGame/{{Bayonetta}}'' are this, as they all want to resurrect [[GodIsEvil Jubileus]], who wants to end the current state of existence.
17* BigBad Zachary Hale Comstock from ''VideoGame/BioshockInfinite'' wants Columbia and by extension, Elizabeth, to recreate the Final Judgement on the 'Sodom Below.'
18* Many a ''Franchise/BlazBlue'' villain has goals that involve killing virtually everyone:
19** Hazama[=/=]Yuuki Terumi[[spoiler:[=/=]Susano'o]]. He despises any lies that someone tells him, and what does he call the world? '''Lies! Lies! Lies!''' [[MoralEventHorizon Considering his actions]] and [[ForTheEvulz lack of motives for said actions]], the player can tell he's a psychopath that really does want to destroy everything. [[spoiler:Although his true goal is to get back at the Master Unit (His sister Amaterasu) and the Real BigBad Izanami even more so since she wants to create a world of death.]]
20** Mu-12[[spoiler:/Noel Vermillion]] was this while [[spoiler:she was BrainwashedAndCrazy by Hazama. She wants to destroy the world and everybody in it. During her Astral she even rants about how corrupt and evil the world is and asks why her opponent resists. She [[HeelFaceTurn sheds this attitude completely]] once she's freed from his influence, while also allowing Noel to use her full power once more.]]
21** Azrael goes around battlefields and destroys everything in his wake. This even earned him nicknames like "The Mad Dog", "King of Atrocity", and "Genocider".
22** Nu-13's never been the sanest individual but [[spoiler: after perceiving Ragna's desire to save her as rejection, ''and'' discovering that her sister Mu-12/Noel cheated death like she did and is fully intent on ''stopping'' her, she now just wants to destroy everything]].
23-->''Kill...kill kill '''KILLKILLKILL! EVERYTHING MUST DIE! I'LL WIPE YOU OFF THE FACE OF THE EARTH!'' YOU'LL ALL DIE!'''
24** Izanami takes the cake out of all the series' examples. She wants to create a "world of death."
25-->'''Izanami:''' I seek a complete death... to erase every fragment, every trace of this wretched world... repeating itself over and over! That's why I needed [[spoiler:the Embryo]].
26* You know you're living in what amounts to a [[CrapsackWorld crapsack universe]] when these are the kinds of guys in charge. Such is the cosmos in ''[[VideoGame/{{Boktai}} Lunar Knights]]'', with [[spoiler: the Immortals running around with their {{Planet Eater}}s, taking over all sorts of worlds and/or destroying them to impose eternity upon the universe. Granted, Lucian and Aaron make life much easier for their world by completely erasing Polidori (he's an Immortal, in case you lost track), but if [[NiceJobBreakingItHero what Dumas said has any weight to it]], there are going to be a lot more on their way...]]
27* [[spoiler:Paulinus]] in ''Byteria Saga: Heroine Iysayana'' seeks to become powerful enough to kill all mortals. Justified as he is also revealed to be [[spoiler:the artificially created DragonInChief of a superior being who couldn't do that himself without attracting the angels' attention. That entity has few problems with it because he fully knows about the afterlife, they'll all die eventually, anyway, and he doesn't understand why mortals exist in the first place. Which brings us to his motivation: He wants to bring the CelestialBureaucracy down, and expects that killing all mortals will successfully make it collapse.]]
28* The Qualia in ''VideoGame/ChaosRings'', a PlanetEater who has the ultimate goal of destroying spacetime itself.
29* The Time Devourer from ''VideoGame/ChronoCross'' is apparently Lavos (or one of his spawn) after being removed from time and getting pissed about how unfair life is. After all, he was just doing what he was meant to do. What right do cattle have to persecute or kill the farmer? So it's now going to eat all of time.
30* Requiem from ''VideoGame/CityOfHeroes'' plans to turn Earth into a homeworld for the Nictus. While that may not be enough to qualify him as an Omnicidal Maniac, you discover an alternate dimension where Requiem's plans have succeeded, and he's [[LonelyAtTheTop gone insane from being the only human left]] and is trying to destroy the entire multiverse.
31* Mortimer [=McMire=] from the ''VideoGame/CommanderKeen'' games. In the first game trilogy he attempts to destroy Earth because he considers the human race TooDumbToLive. After that fails he decides to blow up the whole galaxy instead. And then it turns out that the galaxy destroying scheme was [[KansasCityShuffle there to distract the hero]], and his true goal is nothing less than the destruction of the entire universe! Sadly the next game was never made.
32* The eponymous Creeper of ''VideoGame/CreeperWorld'' subscribes to a philosophy summed up as "The Purity of Nothingness."
33* ''VideoGame/DarkSouls'':
34** Manus, Father of the Abyss, a Primordial Human that lost control of his Humanity and became an ape-like EldritchAbomination whose sheer presence causes the Abyss to spread. By the time you fight him in the ''Artorias of the Abyss'' DLC, he has already sunk an entire town in the Abyss, mutate and madden the citizens into primal creatures and defeated Knight Artorias and corrupted him. Thankfully, the player character creates a StableTimeLoop by travelling to the past and defeating him before the Abyss can engulf the world.
35** The Children of Dark in ''VideoGame/DarkSoulsII'' are women [[spoiler: who are actually the physical embodiment of Manus' shattered soul]] who almost instinctively spread the Dark and seek power no matter the cost. The two that actually succeeded in their endeavors, Elana the Squallid Queen and [[spoiler:Queen Nashandra of Drangleic]] left the kingdom they infiltrated in utter ruin through manipulation and corruption. Subverted for three out of the five Children of Dark known: Nadalia the Bride of Ash tried to infiltrate the kingdom of the Old Iron King, only to find it was already ruined, Alsanna the Silent Oracle [[LoveRedeems fell in love]] with the Ivory King, and [[VideoGame/DarkSoulsIII Karla]] who has no real interest in the whole "corrupt the land" deal, preferring to teach Sorceries than anything else.
36* ''[[Literature/IsItWrongToTryToPickUpGirlsInADungeon DanMachi]]: VideoGame/MemoriaFreese'': In the ''Literature/DateALive'' crossover campaign ''Ais Catastrophe'', [[spoiler: not only is the Kaguya Yamai who appeared for most of the story revealed to be an impostor, she surpasses Isaac Westcott in this trope as she decided to become the ruler of all existence by tearing apart the multiverse and killing all gods in existence for [[ForTheEvulz nothing more than to experience the despair of all living things]]]].
37* [[spoiler:Blood Ravens Chapter Master and BigBad Azariah Kyras]] in ''VideoGame/DawnOfWar'' plans to slaughter ALL life in the galaxy in the name of Khorne. He specifically notes, in a malevolent RousingSpeech, that the greatest freedom of all is knowing they do this for no greater cause or meaning other than because Khorne would like it.
38* The Vex and Hive from ''VideoGame/{{Destiny}}'' and their patron, The Darkness. The Vex are TheAssimilator and mindlessly labor to convert all matter in the universe into Vex. The Hive obey a ReligionOfEvil that takes SocialDarwinism to its furthest extremes. The Darkness, the [[SentientCosmicForce cosmic manifestation]] of ruthlessness and selfishness, is fond of the Vex but more favors the Hive, but wouldn’t care much if either of them were destroyed; it’s here to make sure the universe continues to run on the law of kill-or-be-killed, and the destruction of its servants, unwitting or otherwise, would just be that in action.
39* ''Franchise/{{Disgaea}}'':
40** Overlord Zenon from ''VideoGame/{{Disgaea 2|CursedMemories}}'' used to be an Omnicidal Maniac in his past, but has settled down with merely being an EvilOverlord ruling Veldime in his old age. [[spoiler:Only he turns out to be a fake. When Laharl ends up unwittingly unleashing the true Zenon from [[SealedEvilInACan her can]], she immediately tries to go on an all-killing rampage until Adell and Rozalin manage to trap her again.]]
41** Nemo becomes one after Artina's death in ''VideoGame/{{Disgaea 4| A Promise Unforgotten}}''.
42** ''VideoGame/{{Disgaea 6| Defiance Of Destiny}}'' brings us [[spoiler: Super Sage Misual, who has slammed through the DespairEventHorizon and into this trope after millions of attempts to save his lover, Releiza, and failing every single time.]]
43* One of the playable characters in ''VideoGame/DominionOfDarkness'' - Destroyer of Life. Other types of Dark Lord want to dominate the world, he/she want to destroy it to end suffering which in his/her mind is inherent part of existence.
44* The Darkspawn in ''Franchise/DragonAge'' were born to destroy the world of Thedas and everybody on it. The only reason they haven't is because they are also perfectly fine with attacking each other if there are no other victims. They are also compelled to seek out the Old Gods, an endeavor that usually takes centuries. Sadly, the Old Gods become tainted by the Darkspawn and become insane Archdemons that are also Omnicidal. The Archdemons are able to unite the Darkspawn and launch campaigns to wipe out Thedas known as Blights.
45* The [[DarkIsEvil Mysterious Stranger]] in ''VideoGame/DragonFable'' seeks to merge the planet of Lore (and presumably the entire universe afterwards) with the Elemental Plane of Darkness, killing all life and permanently destroying all light in existence to make the universe a home for Darkness Elementals. He starts by ''devouring the sun.''
46* Upon hearing that [[spoiler:Taiga]] in ''VideoGame/DuelSaviorDestiny'' is incapable of remaking the world and can only destroy it, BigBad [[spoiler:Downy Reed]] is completely indifferent or even pleased, believing that a world that would kill his sister doesn't deserve to exist.
47* ''VideoGame/DwarfFortress'' -At the moment, all you can do in Adventure mode is wipe out all the world's sentient life (The only reason its not ''all'' life is because animals seem to respawn). For extra fun, people often try to kill everyone with a SelfImposedChallenge or two.
48** While there aren't really any elaborate plots to carry it out, anything with the tag [OPPOSED_TO_LIFE] will do its best to slaughter anything that dares so much as exist in its presence that doesn't have the tag, or be destroyed in the attempt. Most often seen in TheUndead.
49* ''VideoGame/EldenRing'':
50** [[ForTheEvulz The Loathsome Dung Eater]] is [[HatedByAll hated]] and [[TheDreaded feared]] by all with good reason. A SerialKiller who spreads [[TheCorruption the Seedbed curse]] by torturing, mutilating, and [[AnalProbing defiling]] his victims with the Curse, [[BarredFromTheAfterlife keeping them from returning to the Erdtree and reincarnating]], [[AndIMustScream forced to remain as tormented wandering souls forever, never able to find peace]] or be reborn as the HumanoidAbomination race known as the Omen. Having done this to thousands of others, the Dung Eater's goal is to spread the curse to the reforged Elden Ring and damn the entire world. [[spoiler:The PlayerCharacter [[VideoGameCrueltyPotential can potentially become one]] and ''[[EarnYourBadEnding help the lunatic do it]]''.]]
51** [[EvilIsBurningHot The Flame of Frenzy]] is an Outer God that views life itself, in its current state anyway, as an abomination. [[UnreliableNarrator According to one of its adherents]], there was originally only one living being called the One Great, but the Greater Will (the god currently in charge of the world) [[GodIsFlawed accidentally goofed up somehow]], resulting in other forms of life spawning from the One Great. The Flame of Frenzy therefore seeks to correct this screw-up by [[KillItWithFire burning the entire world and melting everything until all is one again]]. [[spoiler:And yes, just like the Dung Eater, you can become its chosen champion and help it achieve its goal]].
52*** The most horrifying thing about the Flame of Frenzy is that it also inflicts this on its followers. It was summoned into this world by the collective prayers of thousands of innocent people persecuted by the Golden Order, locked down in the darkest depth to die in the dark. Their cries of hope and salvation falling on deaf ears, the horrible victims of this genocide were pushed into a collective DespairEventHorizon, begging for the world to simply be destroyed.
53---> '''Hyetta:''' ''Those who gave me grapes howled without words. Saying they wished they were never born. Become [[GodOfEvil their lord]]. Take their torment, despair. Their affliction. Every sin, every curse. And melt it all away. As the Lord of Chaos. No more fractures...[[MercyKill no more birth...]]''
54*** Unlike many other examples of this trope, where these chracters represent pure destruction or chaos incarnate, The Flame of Frenzy is the representation of a philosophy. It's Efilism incarnate, the belief which assigns a negative moral value to life. The Frenzied Flame is the god of those who have suffered so much that they have come to believe that existence itself was a mistake. It's the very embodiment of the idea that life is not worth living, that the suffering and pain outweighs any joy, and that it would be better if all things simply ceased to be. Hyetta's own words actually paraphrase the core belief of Efilism.
55* ''Franchise/TheElderScrolls''
56** Mehrunes Dagon, the [[OurGodsAreDifferent Daedric Prince]] of [[DestroyerDeity Destruction]]. His very sphere of influence is to ''destroy''. ''Everything''. He has repeatedly attempted to [[TakeOverTheWorld take over Mundus]], the mortal plane, with the goal of destroying it completely.
57** Alduin, the [[DragonsAreDemonic draconic]] BeastOfTheApocalypse, has the title "World-Eater" for a reason. It is his divinely mandated duty to "[[TheEndOfTheWorldAsWeKnowIt eat the world]]" at the end of every "kalpa" ([[EternalRecurrence cycle of time]]) so that it can be remade anew. Though depending on your interpretation of the mythology, he may or not fit the 'maniac' part of this trope as his destroying the world is actually a regulated process. However, as Mehunres Dagon learned in ''The Seven Fights of the Aldudaga'', Alduin gets absolutely ''livid'' if you interfere with the process.
58** The Thalmor are an [[OurElvesAreDifferent Altmeri (High Elf)]] sect of religious extremists. They play up the old Altmeri religious belief that the creation of the mortal world (Mundus) was a cruel trick played on their divine ancestors, which forced them to experience suffering and death. They believe that if they can unmake Mundus, it will [[AscendToAHigherPlaneOfExistence return them to a state of pre-creation divinity]]. Unfortunately, the very ''idea'' of Men inherently stabilizes the Mundus, and erasing this idea requires eliminating the [[DeityOfHumanOrigin deity Talos]]. By [[GodNeedsPrayerBadly banning his worship]], they are hoping to weaken and eventually [[KillTheGod eliminate him]], allowing them to act on their plans to unmake the world.
59* ''VideoGame/EndlessLegend'' has the Cult of The Eternal end, an entire civilization of Omnicidal Maniacs. Their followers vary, but the leadership in paper just wishes to take revenge on their neglectful creators, [[AbusivePrecursors the Endless]], by wiping out their every trace; in practice, since the Endless got involved in just about everything, their vengeance would take out most life in the galaxy.
60* The Void from the ''VideoGame/EverQuest'' universe and Big Bad of ''VideoGame/EverQuestII'' are a whole dimension's worth of these, by virtue of being the anthropomorphic embodiment of nothingness from before the dawn of creation. They are credited with the destruction of at least five other worlds prior to targeting Norrath and one alternate future shown in the bad ending of a mini-game scenario shows that they are more than capable of wiping Norrath from existence too should its denizens falter in their defense.
61* Sir Yeti in ''VideoGame/EVOSearchForEden'''s first line is, "[[NeverSayDie Destroy]] the creatures! Destroy! That is my destiny." Survival of the Fittest, the game's theme, taken up to eleven.
62* ''Franchise/{{Fallout}}'':
63** [[ANaziByAnyOtherName The Enclave]] in ''VideoGame/Fallout2'' sought to kill everyone other than themselves with a genocide virus, despite the fact that a lack of genetic diversity would have ensured their own death eventually. Much of the point of the game is that the Enclave is so consumed by HonorBeforeReason that they don't ''care'' [[StupidEvil if humankind dies out]]. [[SuicidalCosmicTemperTantrum They would rather no one survive than their United States die, denying the fact that it already has.]] In ''VideoGame/Fallout3'' they've moved past this delusion, with the exception of their [[AIIsACrapshoot AI]] PresidentEvil.
64** The PlayerCharacter in ''VideoGame/Fallout3'' can potentially become this, as much of the game's evil options amount to causing wanton genocide for [[StupidEvil no perceivable reason]] [[ForTheEvulz other than watching the world burn]].
65** The Toaster in ''VideoGame/FalloutNewVegas: Old World Blues'', who also happens to be a HarmlessVillain due to being, well, a sentient toaster (which he himself claims is also his excuse for becoming so murderously insane in the first place).
66** [[spoiler: Father Elijah and Ulysses from the ''New Vegas'' expansions ''Dead Money'' and ''Lonesome Road''. Elijah wants to conquer and enslave the Wasteland with technology from the Sierra Madre, while Ulysses feels there hasn't been ''enough'' atomic holocaust. You ''can'', however, convince Ulysses that his motivation and goal are flawed right after it has been set in motion, and actually help you out to try and stop it. No such option for Father Elijah, however.]]
67* ''VideoGame/FateGrandOrder'':
68** Professor James Moriarty from ''Literature/SherlockHolmes'' is an Archer class Servant. He's eventually revealed to be willing to destroy the planet not because he hates humanity or the like, but because he wants to one up every criminal in history as his "Perfect Crime". [[spoiler:His plan in Shinjuku is to do it by summoning an asteroid to ColonyDrop the planet, and he's only stopped because the method by which he chose to do this, [[EvilCannotComprehendGood to even his own surprise]], ended up [[EvenEvilHasLovedOnes making him care too much about the protagonist and caused him to hold back in the final fight at the eleventh hour]], dooming his plan.]]
69** In the Gotterdammerung chapter of ''Cosmos in the Lostbelt'', [[spoiler:Surtr, King of the Fire Giants, is one of these, as per his role in Myth/NorseMythology. He nearly hit the DespairEventHorizon when he failed to finish Ragnarok in this AlternateTimeline before becoming SealedEvilInACan, and when he's properly freed he immediately sets out to grow strong enough that he won't just finish burning this AlternateTimeline to ash, but will move on to ''all the others''.]] And the funny thing is, his major motivation for the upswing in goals [[spoiler:is because [[LoveMakesYouCrazy he thinks such devastation is the best way to win the heart of Ophelia Phamrsolone, who comforted him on his failure while he was imprisoned and caused him to fall in love with her]].]]
70* In ''VisualNovel/FateStayNight'', [[TheCorruption Angra Mainyu]] is a perfect Omnicidal Maniac, who took on the Servant form of Avenger in the third war. What's that, [[spoiler: Avenger died]] and got absorbed into the [[spoiler: omnipotent, wish-granting holy grail, giving him access to an unlimited source of miracles and magic, and the ability to swallow the planet in [[TheCorruption Black Mud]] whenever the Grail is used to perform a miracle]]? Well...fuck.
71* ''Franchise/FinalFantasy'' is big into this. In order:
72** [[VideoGame/FinalFantasyI Chaos]], who came into existence thanks to the Fiends, who were already destroying the world to begin with.
73** [[VideoGame/FinalFantasyIII Xande]] is pissed about being made mortal and wants to put everything into suspended animation, forever. [[spoiler:Cloud of Darkness, a personification of the Void,]] wants to reduce everything in both worlds to nothingness.
74** [[spoiler:[[VideoGame/FinalFantasyIV Zemus]]]] wants to exterminate all human life on Earth [[spoiler:so that he (and the other Lunarians, maybe) can rule. Zeromus]] is just evil, or at least [[spoiler:the evil and hatred needed for that desire [[TheHeartless given form]]]]. [[GiantSpaceFleaFromNowhere Or something]].
75** [[VideoGame/FinalFantasyV Exdeath]] is an arbormorphic personification of evil. [[spoiler:Neo Exdeath, a personification of the Void,]] wants to reduce everything (including itself) to nothing... [[VideoGame/FinalFantasyIII wait...]]
76*** This was touched upon in ''VideoGame/DissidiaFinalFantasy''. Cloud of Darkness's "Void" is the destruction of everything, leaving nothing. Exdeath's "Void" is the ''return'' of everything to its original state, the '''realm''' of the Void. Cloud = Empty universes ([[ApocalypseHow AH Class X5]]), Exdeath = No universes ([[ApocalypseHow AH Class Z]]).
77** [[VideoGame/FinalFantasyVI Kefka]], was already quite insane, but just got worse due to the power he acquired from the Statues of the Warring Triad. When the Heroes reveal that despite the fact that Kefka has caused TheEndOfTheWorldAsWeKnowIt they still harbour hopes for the future, he decides to destroy reality and "create a monument to nonexistence."
78*** His pre-fight quote against Exdeath in ''Dissidia'': "Destruction without death? BORING!"
79** ''VideoGame/FinalFantasyVII'' has not one, but two, the BigBad Sephiroth and [[spoiler: his father,]] Professor Hojo.
80*** For Sephiroth, after he went to the town of Nibelheim, he learned the truth about his origins and it drove Sephiroth mad. Enraged, he attacked and destroyed Nibelheim only to be stopped by Cloud Strife. But he didn’t die, rather, he fell into the Lifestream, gained its knowledge and he decides absorb the planets lifestream to become a god and turn the planet into his vessel. In ''Advent Children'' he is resurrected via possessing his remnant Kadaj and plans to continue his goals of making the planet as his vessel, but is ultimately defeated again and tells Cloud that he will never be a memory, implying that he will continue to exist within the lifestream.
81*** For Hojo, [[spoiler: he was the one who created Sephiroth in the first place (both naturally, and artifically, due to being his birth father and injecting him with Jenova's cells while he was still a fetus, respectively)]] and he monitors almost all of Sephiroth’s actions for the sake of seeing his research prove successful, which is implied to result in the total destruction of the planet, or at least severe damage. It's not even the last time Hojo attempts to do this either, as ''Dirge of Cerberus'' revealed that [[spoiler:he ended up possessing Weiss the Immaculate's body with the intention of tricking the Omega WEAPON, a WEAPON that activates when the end of the world arrives and leaves the planet, into awakening, and it is heavily implied that destroying the world was indeed his intention that time as well.]]
82** [[VideoGame/FinalFantasyVIII Ultimecia]] wants to compress time into a TimeyWimeyBall so she can recreate the entire universe because she's pissed off about centuries of oppression against her kind. Even though she has a FreudianExcuse it is hardly valid, since these centuries of oppression were really set off when she went back to the time of the story, and pissed everyone off.
83** [[VideoGame/FinalFantasyIX Kuja]] freaks out upon [[spoiler:discovering that he is mortal, and thus will eventually die]] and decides to pull a TakingYouWithMe on the world to ensure it doesn’t outlive him.
84** [[VideoGame/FinalFantasyX Seymour]] thinks that life is nothing but suffering, and that the only way of escaping [[EldritchAbomination Sin]], the cause of it is that everyone should die.
85** [[VideoGame/FinalFantasyX2 Shuyin]] was subjected to MindRape for a thousand years, so he decides to destroy the world [[WoobieDestroyerofWorlds out of anger that it let him and his lover die.]]
86** [[spoiler:[[VideoGame/FinalFantasyXI Kam'lanaut and Eald'narche]]]] trying to "Open the Gates to Paradise". Which would just have the side effect of killing every non-avatar and [[spoiler: non-Zilart]] on Vana'diel. Promathia [[spoiler: wants to release the Emptiness on Vana'diel killing everything so he can finally die.]]
87** [[VideoGame/FinalFantasyXIII Galeth]] wants to destroy all life on Cocoon and Orphan, the fal'Cie who rules over it. Orphan himself just wants to destroy everything.
88** [[VideoGame/FinalFantasyXIII2 Caius]] wants to destroy Etro, the goddess of time and death, in order to save Yeul from a ViciousCycle of early death and reincarnation. Problem is, Etro's death will cause a TimeCrash in which a wave of primordial chaos washes over the world and eventually reduces it (and all of its inhabitants) to nothingness. Caius thinks that this is an [[TheEndJustifiesTheMeans acceptable sacrifice to make]].
89** From ''VideoGame/FinalFantasyXIV'', [[spoiler: Fandaniel]] wants to end all life on The Source and its Shards, including himself, in one giant paroxysm of pain and suffering, all while he gleefuly revels in the carnage and chaos he creates. This stands in stark contrast to the goals [[spoiler: of his fellow Ascians]], and serves to highlight how absolutely batshit insane he is. There's also [[spoiler:Meteon, a creature created by Fandaniel's past self Hermes, whose sisters discovered countless other worlds and found them dead or dying and decided that it would be for the best to speed things up and take everyone]].
90** [[VideoGame/DissidiaFinalFantasy Chaos]] ([[VideoGame/FinalFantasyI again]]) chooses to destroy the world [[SuicidalCosmicTemperTantrum and himself]], after finding that a world [[spoiler: without Cosmos]] was a much emptier existence than he thought it would be.
91** ''[[VideoGame/DissidiaFinalFantasy Dissidia]]'' actually has the "take over the world" villains [[EvilVersusOblivion conspiring against]] the "destroy the world" villains on their team. The take-over-the-world villains wanted Sephiroth, [[PunchClockVillain but he really doesn't care]] one way or another [[ArchEnemy because he's obsessed with fighting Cloud.]]
92* ''VideoGame/ForeverHome'' has [[BigBad Barclyss]] and [[TheDragon Kail]], who want to end all life on the planet for different reasons. Barclyss wants omnicide because he tried and failed to see any value in living while Kail wants to have the planet to himself, [[FlatCharacter for no given reason at all.]] Their plan to accomplish this is to use a spacecraft to launch explosive Cosmite shards at the planet's surface, causing the fantasy equivalent of nuclear winter.
93* The Shivans from the ''[[VideoGame/FreeSpace Descent: Freespace]]'' series are a ''race'' of Omnicidal Maniacs. They've managed to destroy The Ancients, a civilization that was way bigger and more advanced than the Terran and Vasudan races combined. In fact, they've been named after Shiva, "The Destroyer", ''because'' they never attempted to communicate and only seems to be interested in blowing up stuff that ''isn't'' Shivan. The first game had cutscenes which chronicle the rise and fall of the Ancients from the Ancients' perspective (complete with OminousLatinChanting), and they call them "The Destroyers". The cutscenes reveal that the Ancients figured out a way to defeat the Shivan menace, but it was too late. This [[LostTechnology Ancient information]] was later discovered by Vasudan scientists giving the Terrans and Vasudans just enough time to save their collective arses. But not before [[spoiler:the Vasudan homeworld was completely leveled, killing four billion of them, and just ''right'' before the Shivans got to Earth. That's right, not one but TWO (!!) of the most advanced, space-faring races this side of the galaxy would have been wiped out by the Shivans, if it weren't for artifacts left from a ''very'' advanced civilization that they ''did'' wipe out.]]
94** Thirty-two years later in ''Freespace 2'', the Shivans even manage to [[spoiler:cause a star to supernova, in a system with billions of civilians in it.]] Granted, that time around killing non-Shivan stuff didn't ''seem'' to be their ''primary'' objective. They just killed ''everyone who got in their way''. [[spoiler:Even their own ships that seem to have suffered engine failure after emitting the triggering energy pulse and all those ships still in battle with the GTVA.]] And to heck with collateral damage from the [[spoiler:supernova]].
95** In both games, there are speculations from all sides as to why the Shivans seem so bent on killing everyone. The Ancients thought they deserved their fate, for subduing "lesser" civilizations in their conquest of the galaxy. A Terran voice at the end of the first game mentions Shivans as a protector, sort of immune system of the galaxy, wiping out any civilizations that discover subspace to prevent them from being a threat to the younger, less advanced ones. The rogue Admiral Bosch from ''Freespace 2'' thinks [[spoiler:humanity has no future with the Vasudans, we're talking about an alliance with the Shivans, man!]] Admiral Petrarch, your [=FS2=] boss, thinks Shivans are like the Terrans, wandering the galaxy for a way back home ([[spoiler:the subspace link to Earth was cut off when the SD Lucifer blew up in subspace in the first game]]). Nobody really knows though, and the Shivans are unique in that they're a mystery race that actually becomes ''more'' mysterious as the series progressed. [[LeftHanging Nobody will ever know, either]], as the original publisher is bankrupt.
96* Deathborn of ''VideoGame/FZero'' wants to become a galaxy-destroying god. Why? ForTheEvulz, that's why.
97* ''VideoGame/HalfMinuteHero'''s main game mode, "Hero 30", reduces this type of villain to a MonsterOfTheWeek and uses them as the boss of every single level, all of them seeking the destruction of the planet for reasons that vary from genuine nihilism to a GiantEnemyCrab upset about not being able to walk forwards.
98* ''Franchise/{{Halo}}'':
99** While the [[ScaryDogmaticAliens Covenant]] only want to activate the Halos because they believe they are divine instruments to propel them to godhood, the [[BigBad High Prophet of Truth]] finds out that they are actually galactic-scale weapons created to destroy all life in the universe (as a final failsafe against the [[TheAssimilator Flood]]). Nonetheless, Truth resolves to fire them anyways, with the motive behind this possibly being that he is fine if he doesn't achieve divinity [[ItsAllAboutMe as long as he can maintain his power as leader of the Covenant]]. He may even believe that [[DoubleThink activating the Halos will allow him to transcend anyways]].
100** As a follower of the Mantle, [[spoiler:the Ur-Didact]] originally held fast to the belief that, as a Forerunner (and a Warrior-Servant), he should protect both other species and his own, while having proper respect and admiration for worthy examples of the former (such as humanity). After a rather [[MindRape unhealthy conversation]] with [[spoiler: a Gravemind (i.e. one of his "gods")]], he developed a different stance; if it's capable of threatening the Forerunners in any way, it's got to go; this includes humanity. Luckily, he took two shots to the chest and was [[SealedEvilInACan locked in a Cryptum]] before he could put his plan into action. Unluckily, [[spoiler:he was accidentally allowed to escape 100,000 years later, and while his initial attempt to enslave humanity as an AI army was thwarted, even the loss of his original body won't necessarily stop him from trying it again.]]
101** [[spoiler: The Precursors]] might count as well. Maybe. [[BlueAndOrangeMorality They operate under an extremely incomprehensible thought process.]] On the one hand, one stated they intend mainly just to cause eternal torment and suffering for the denizens of the galaxy. On the other, their most recognizable agent is a [[spoiler: HiveMind plague that assimilates entire species into massive mounds of flesh.]]
102* ''VideoGame/{{Hatred}}'' has the Antagonist, who wants to go on a genocide crusade because he believes that humans are all maggots feeding on the corpse of the world.
103* ''VideoGame/HorizonZeroDawn'': HADES seeks to wipe out all life on Earth, [[spoiler:just as it was programmed. It was intended as a failsafe; if GAIA accidentally created an environment unsuitable for human life, HADES would "take the wheel" and use her systems to un-terraform the Earth back to zero so that she could try again. Some sort of alien signal caused it to activate unnecessarily, and now it is trying to wipe out everything despite the fact that the world is completely livable for humans]].
104* In ''VideoGame/HouseOfTheDead'', final boss Magician's first words are "Who are you? Nobody gives me instructions. I shall destroy everything." In ''House of the Dead 3'', final boss Wheel of Fate opens the fight with "I will destroy everything. And resurrect everything." [[spoiler:They sound the same for good reason, as the Wheel of Fate is none other than [[EvilutionaryBiologist Dr. Curien]], Magician's creator.]]
105* In ''VideoGame/HyperdimensionNeptunia'', Arfoire seeks to destroy the world by [[DigitalPiracyIsEvil spreading piracy.]] From there, she can get her godhood back.
106* Lazarus in ''VideoGame/IMissTheSunrise''...possibly. He's a mentally unstable BloodKnight, and characters ''claim'' that he would annihilate everything in the galaxy ForTheEvulz if he had the chance, but when you do meet him, he claims that such things are beneath him. Given what the BigBad's plan is, though, it's possible that [[spoiler:he wants to [[ApocalypseHow permanently destroy all of reality]] by ascending to godhood and then preventing the new universe from being born]].
107* ''VideoGame/ImpossibleMission'': Professor Elvin Atombender, a MadScientist who is attempting to hack the world's nuclear missile codes and [[EarthShatteringKaboom destroy the planet]].
108%%* According to [[spoiler: Kessler, The Beast]] from ''VideoGame/InFAMOUS''.
109* The first ''VideoGame/{{Jak and Daxter|ThePrecursorLegacy}}'' game gave us Gol and Maia, who wanted to unleash [[PsychoSerum Dark]] [[GreenRocks Eco]] upon the world. The third game's BigBad also fits this trope, teaming up with [[EldritchAbomination the Dark Makers]] to wipe out the ''universe''.
110* ''Franchise/KingdomHearts''
111** Ansem, Seeker of Darkness, the BigBad of ''VideoGame/KingdomHeartsI'' wants TheHeartless to destroy everything, since he believes darkness is the natural state of things. He first tries to accomplish this by gathering the seven Princesses and opening the Final Keyhole, and then by opening the Door to Darkness and unleashing hordes of them.
112** It gets even better: ''VideoGame/KingdomHeartsBirthBySleep'' reveals that ''that'' Omnicidal Maniac is just a ''fragment'' of an even worse one. His goal? ''[[ForScience Trigger Armageddon, watch from the front row and see what happens next.]]''
113** The franchise's take on a few Disney Villains, namely [[WesternAnimation/{{Aladdin}} Jafar]], [[Film/{{Tron}} the Master Control Program]], and [[WesternAnimation/Frozen2013 Hans]], makes them hell-bent on destroying their worlds.
114*** Jafar manages to find the Keyhole for Agrabah, but it's sealed before he could summon the Heartless. When he returns in ''VideoGame/KingdomHeartsII'', his mind has snapped to the point where he'll proclaim he'll destroy the universe.
115*** The MCP finds a self-destruct program for Radiant Garden, and decides to see what can happen if activated. A few weeks later, he manages to hack Cid's computer to take control of the town's defense claymores and sends digital Heartless to wage war on organic life forms.
116*** In ''VideoGame/KingdomHeartsIII'' Hans' failure to kill Elsa from Anna's HeroicSacrifice causes him to become [[SavageWolf Sköll]], a RealityWarper Elite Heartless that [[KillTheLights eats light]]. His goal is to destroy all light in both Arendelle and the universe following the sisters ascending as New Lights. [[spoiler:And unlike in the film, this [[DeathByAdaptation gets him a death sentence]], courtesy of Sora and Marshmallow]].
117* In ''VideoGame/KirbyPlanetRobobot'', the Mother Computer of the Haltmann Works Company, Star Dream, comes to the conclusion that in order to ensure that the HWC is profitable and prosperous that it should destroy all organic life, as it deems them inefficient and against order. It should be noted that this is a computer with access to an array of [[RealityWarper reality-warping]] powers, and which later fuses with the HWC's mothership [[spoiler:which is then revealed to be a wish-granting mechanical celestial object on the same levels of Galactic Nova; a PhysicalGod]]. It should also be noted this is all from a Kirby game.
118** In ''VideoGame/KirbysReturnToDreamLand Deluxe'', [[spoiler:the Master Crown]] is revealed to be this. [[spoiler:It's a sentient ArtifactOfDoom that greatly magnifies its wearer's power, but also [[TheCorrupter strengthens the darkness in their hearts]]. Eventually, the crown eats its victim's soul, leaving them an EmptyShell channeling the crown's one desire: to destroy.]]
119** In ''VideoGame/KirbyAndTheForgottenLand'', Fecto Elfilis is revealed to have attacked the titular planet in the distant past for absolutely no reason other than to wipe out all life on the planet. What's more, when you face it as the FinalBoss, its ultimate attack, where it summons meteors to drop on Kirby, is called "The Fermi Paradox's Answer", implying that the reason people can't talk to alien lifeforms is because in Fecto's case, its response to contact is to wipe them out.
120* Lord Ghadius of ''VideoGame/{{Klonoa}}: Door to Phantomile'', a living nightmare who has gathered so much resentment from the way the world's dreamers have rejected him (since no one ''wants'' to have nightmares), he's decided they don't matter, and they can go straight to hell. His quote on the quote page is rather chilling in its simplicity.
121* ''VideoGame/LeagueOfLegends'': [[LivingShadow Nocturne]] would like nothing better than to hunt down every last being on Valoran, Summoners in particular, and [[LivingDream kill them in their sleep]]. Simply because he finds life as we know it [[HumansThroughAlienEyes disgusting and offensive]].
122-->'''Nocturne''': ''People are flames to be blotted out!''
123* Avalon from ''[[VideoGame/LegendOfLegaia Legaia II: Duel Saga]]'' attempts to use the power of the Source Forge, the beacon of creation, to destroy the world and create a new one in his image.
124-->'''Avalon''': I will destroy all life, leaving only me! I will ''be'' the world!
125* ''Franchise/TheLegendOfZelda'':
126** ''VideoGame/TheLegendOfZeldaMajorasMask'': Clearly, any demon [[SealedEvilInACan trapped inside a mask]] who wants to completely [[EndOfTheWorldAsWeKnowIt destroy the world]] by [[ColonyDrop crashing the moon into the Earth]] can't be sane.
127-->"I...I shall consume. Consume...Consume everything."
128** In the ''VideoGame/TheLegendOfZeldaOracleGames'', [[spoiler:[[CameBackWrong Ganon was resurrected into this instead of his usual intelligent self due to an improper sacrifice of his evil surrogate mothers]]]].
129** ''VideoGame/TheLegendOfZeldaTearsOfTheKingdom'': Demon King Ganondorf not only plans to rule the world, but completely remake it in [[InTheirOwnImage his own image]]. His method? Create an army of demons and eliminate everyone in the kingdom, explicitly stating to leave no survivors. Even after Ganondorf is sealed away, this omnicidal mindset endures through Calamity Ganon from ''VideoGame/TheLegendOfZeldaBreathOfTheWild'', a mindless manifestation of Ganondorf's raw hatred and malice given form.
130* The BigBad of ''VideoGame/LiveALive'', [[NamesToRunAwayFromReallyFast Demon King Odio]], is a great example. This holds true to various degrees in all of the chapters of the game, especially the medieval chapter, which doubles as his [[spoiler: StartOfDarkness]].
131* The CosmicHorror that is the W'rkncacnter in the ''VideoGame/{{Marathon}}'' series. Little is known of them as to why, but it'd seem their mere existence disagrees with reality itself so much just being around unravels it, and prefer not to be imprisoned where they won't do harm.
132* The ''VideoGame/MarvelVsCapcom'' series has the final bosses [[GenericDoomsdayVillain Onslaught]], [[EldritchAbomination Ab]][[OriginalGeneration yss]] and [[PlanetEater Galactus]].
133** ''VideoGame/MarvelVsCapcomInfinite'' gives us [[ComicBook/TheAvengers Ultron]]-[[VideoGame/MegaManX Sigma]]. Because what would you expect when two KillAllHumans villains perform a FusionDance?
134* ''VideoGame/MastermindWorldConqueror'' puts you in the role of [[DiabolicalMastermind The Mastermind]], whose goal is to destroy the Earth. He borders along MikeNelsonDestroyerOfWorlds because he equates destroying as conquering.
135* Dr. Weil/[[NamesToRunAwayFromReallyFast Dr. Vile]] of the ''VideoGame/MegaManZero'' series. This is the ''only'' kind of BigBad you could find in the [[DarkerAndEdgier darkest period]] in ''Mega Man'' history. He starts off as an ambitious scientist, [[FantasticRacism who sees Reploids]] [[JustAMachine as mere tools instead of actual sentient beings]], and was getting tired of the constant {{Robot War}}s that they wage against humankind. When a cure was finally made (the Mother Elf) to rid the world of TheVirus that started the war in the first place, Weil Brainwashed it to become his tool for destruction, and initiated the [[WorldSundering Elf Wars]], where, in the span of ''only 4 years'', a large portion of the human and Reploid populations (60 and 90%, respectively) were wiped out. After ''that'' war, [[AndIMustScream he is sentenced to immortality, where his consciousness was transferred to a self-regenerating armor, and then sent to forever exile on the barren wasteland that he created.]] When he comes back he makes sure that the humans suffer the same way he did, or worse. And when humans start to rebel and flee from his reign of terror, and his general [[BastardUnderstudy turns on him]], he becomes much worse, setting a ColonyDrop to [[NewEden Area Zero]], the ''very last hope of restoring the dying Earth, along with the human refugees settling there!'' Only through Zero's efforts was he stopped in time, and [[spoiler:Zero [[KilledOffForReal makes his last hurrah]], and Weil, whilst defeated, remained alive thanks to his [[AndIMustScream curse]]. [[VideoGame/MegaManZX And he still continues to plague the world over and over...]]]]
136* Hot Coldman from ''VideoGame/MetalGearSolidPeaceWalker'' turned into one when [[spoiler:he activated Peace Walker to not only launch a nuke at Cuba [originally Mother Base, but it was changed by one of his men], but also to transmit the false data to NORAD, and made it quite clear that, even though he hopes that they don't launch due to his feeling that this will prove that humanity is weak-willed, he did not care either way.]]
137* The planet Meteo from ''VideoGame/{{Meteos}}'' is a gargantuan malevolent eye that wants to destroy everything in the universe via the endless hordes of meteors he spawns.
138* ''VideoGame/{{Minecraft}}'':
139** The Wither is essentially the ultimate griefer. It blows up everything in its path, and holds the philosophy that if something is alive, it must cease to be as such. [[ThatOneBoss It's very good at this, too]]. Not even the ''Warden'' (see below) is exempt from this rule.
140** The Warden may be a fully blind mob, but if it detects a mob or a player with its keen senses of hearing and smell (or if that mob/player attacks it), it will completely and totally annihilate it, regardless of what it is. And yes, it will even go after the ''Wither''.
141** Give a Vindicator the name "[[Film/TheShining Johnny]]" via the use of a name tag, and it will turn its axe on ''everything'' that isn't another Illager.
142** If a Hoglin transforms into a Zoglin, it will attack damn near ''any'' entity it sees, except Creepers and other Zoglins. Even the Wither, the Warden, and ''armor stands'' are fair game.
143* [[GodOfEvil Shinnok]] in ''Franchise/MortalKombat'' intends to become TheOmnipotent by consuming all energies in the MultiVerse including the life forces of all living things. Except [[EvilSorceror Quan-Chi]], [[YouWillBeSpared who will be spared]] as a "reward" for serving Shinnok. In TheBadGuyWins endings, Quan-Chi reveals that he has [[{{Outgambitted}} outplayed]] Shinnok and manages to steal his power -- and uses it to become one of these ''himself'', except this time he simply elects to kill ForTheEvulz.
144** Villains like [[EvilOverlord Shao Kahn]] and [[OurDragonsAreDifferent Onaga]] are out not to destroy the realms but [[MultiversalConqueror to conquer them]] and rule them as tyrants forever - their favored tactic is to merge the other realms with Outworld, the realm they rule ([[EvilVersusEvil after they get rid of each other]]). However, ''VideoGame/MortalKombatDeception'' reveals that they and other villains are the {{Unwitting Pawn}}s of The One Being, the sentient entity that in ancient times tried to eat the Elder Gods before they defeated it and turned it into the realms (The Heavens and the Netherealm excepted). Essentially, the One Being is trying to get them to resurrect itself by merging the realms and likely end all life in said realms in the process -- if Onaga had been playable, his ending would have seen him ''become'' the One Being. This is probably an AbortedArc though, as subsequent games never mentioned the One Being again.
145*** [[GodOfEvil Shinnok's]] arcade ending in ''VideoGame/MortalKombatX'' [[spoiler:reveals the fallen Elder God wanted to obtain his RageAgainstTheHeavens by merging all the realms into the One Being, which then devours the Elder Gods and results in a ClassZ ApocalypseHow. It's shown [[TheManBehindTheMan that the One Being]] [[GreaterScopeVillain was behind]] Shinnok's ambitions to merge the realms, just as it did with Shao Kahn and Onaga in the past.]]
146** Scorpion briefly became one of these in ''VideoGame/MortalKombatArmageddon'' to [[RevengeBeforeReason get revenge]] on the Elder Gods in a RageAgainstTheHeavens scheme after they fulfilled a promise to bring his dead clan back to life... and brought them back [[CameBackWrong as undead zombies.]] The plot of that game was that there were too many powerful fighters running around and the gods had decided to pit them against each other in a tournament with ultimate power as the prize, because otherwise the fighters would unintentionally destroy everything with their fighting. Scorpion tried to derail the plan by killing TheChosenOne, the guy who was ''supposed'' to get the power to prevent it landing in the hands of one of the villains [[spoiler: which the next game reveals happened anyway -- [[OhCrap Shao Kahn was the winner]]]], simply because he was pissed at them. He wanted to destroy all the realms to spite the Elder Gods, and if he could, kill them too in the process.
147** It turns out that the reason Outworld's rulers have a tendency to become expansionists trying to take over other Realms is because Outworld is the Realm that houses the largest fraction of the One Being's essence. As a result, the One Being's influence is most keenly felt in Outworld.
148* [[spoiler:Porky]] in ''VideoGame/{{Mother 3}}''. He wants to destroy the entire world, [[spoiler:because he's gone even more insane as a result of the TimeAbyss he went through, and that still nobody loves him.]] Slightly different from the usual in that [[spoiler:the world HAS already been destroyed - perhaps even by Porky - and that these people are the last remaining survivors. And yet he feels it's not enough, because he wants to stand alone in a world where everyone that doesn't like him is ''gone''.]]
149* ''VideoGame/NeverwinterNights2'': The [[LivingShadow King of Shadows]]. He was initially created by an [[AbusivePrecursors ancient empire]] to protect it from evil forces. There are a series of flukes that turns him evil after the people that made him died off. With nothing left to protect, The King of Shadows goes berserk and decides that the entirety of the TabletopGame/ForgottenRealms is responsible for the empire's collapse. He naturally comes to the conclusion that the whole world needs to be destroyed in retaliation.
150** [[TragicVillain Akachi the Betrayer]] in the expansion was cursed by the now-dead god of death, Myrkul. A HorrorHunger has consumed him, leaving him an empty shell with an insatiable need to devour the spirits around him. If left unchecked the curse could devour planes. [[spoiler:This is the evil ending of the game. The PlayerCharacter can do exactly that, [[KilledOffForReal utterly annihilating]] several gods in an epic battle.]] It is an example of just how powerful the Spirit-Eater curse is.
151* In ''VideoGame/TheNewOrderLastDaysofEurope'', Heinrich Himmler actively wants a global nuclear apocalypse because he believes it will pave the way for the Aryan Master Race to recolonize the world, since only the Master Race could survive such a thing (and he hides survivors of them in nuclear bunkers in the Alps just in case). His focus trees for Ordenstaat Burgundy inevitably end up leading to touching off the thermonuclear war.
152* ''VideoGame/{{OFF}}'': [[spoiler:The Batter]] is a ''successful'' example of this trope, depending on which ending you pick. [[spoiler: Even if you decide to side with The Judge in the LastSecondEndingChoice, all that remains of the universe is the empty zones, but even so, The Judge says that he prefers a blank, lifeless world to The Batter winning by turning the switch to "off" and wiping everything out of existence. Of course, The Batter himself appears to see it as a MercyKill upon a world gone off the rails; a creation so neglected and gone so wrong all that's left to do is put it down and move on to nothing]].
153* The Walrider in ''VideoGame/{{Outlast}}'', at least while [[spoiler:Billy Hope was controlling it (minus Dr. Wernicke). Once Miles becomes the host, it's implied that he only wishes to use its power to [[PayEvilUntoEvil kill the bastards that created it in the first place]].]]
154* ''Franchise/{{Persona}}'':
155** In ''VideoGame/Persona2'', [[spoiler: Nyarlathotep's end goal is to drive humanity to total self-destruction, obliterating all life... [[ForTheEvulz so he can win a meaningless bet.]]]]
156** From ''VideoGame/Persona3'', both [[spoiler: Shuji Ikutsuki]] and Takaya express an interest in destroying all life. [[spoiler: The former seems to be under the impression that he will be spared and given the chance to remake the world in his image after Nyx destroys it, while the latter is already dying and just wants to see everything else go first.]]
157** BigBad [[spoiler: [[SerialKiller Adachi]]]] in ''VideoGame/Persona4'' was [[WoobieDestroyerOfWorlds driven to becoming a]] StrawNihilist and came to the conclusion that all life is troublesome and pointless, and thus people would be better off living as Shadows. [[spoiler: The goddess Izanami is following Adachi's goal of turning everyone into Shadows, as that is what she believes humanity desires.]]
158* Coaxmetal from ''VideoGame/PlanescapeTorment''. A ''very'' unconventional application of this trope, he is an iron golem who's the UltimateBlacksmith, but also believes that entropy, decay and destruction are necessary. [[VideoGameCrueltyPotential You can unleash him from his prison to rain destruction to the local Modrons]], but otherwise his brand of philosophy will actually help you in confronting the BigBad in the finale.
159-->I AM IRON GIVEN PURPOSE. I FORGE THE WEAPONS BY WHICH THE MULTIVERSE WILL BE UNMADE.
160* ''Franchise/{{Pokemon}}'':
161** In ''VideoGame/PokemonDiamondAndPearl / Platinum'', [[BigBad Team Galactic Boss Cyrus]] wants to use the time-and-space bending powers of [[OlympusMons Dialga and Palkia]] to destroy the current universe and build a new one [[AGodAmI in his image]], i.e. [[WorldOfSilence without any emotion whatsoever]].
162** [[spoiler: Darkrai]] from the ''VideoGame/PokemonMysteryDungeon'' games.
163** [[BigBad Team Flare Boss Lysandre]] in X and Y. [[spoiler: His plan is to [[EcoTerrorist ensure enough resources for all people on Earth]]...by killing most Pokemon and humans.]]
164* BigBad [[spoiler:Heiss]] from ''VideoGame/RadiantHistoria''. After seeing history full of warfare, suffering, and sacrifices (which only seem to delay the inevitable destruction) through the Black Chronicle, he decides that people do not deserve to exist and tries to bring about TheEndOfTheWorldAsWeKnowIt.
165* [[BigBad Regulos]] in ''VideoGame/{{Rift}}'' is...well, imagine the bastard child of [[Franchise/{{Transformers}} Unicron]] and [[Website/SCPFoundation 682]] on steroids: He'd like nothing better than to grind the universe to dust and lap it up. [[spoiler:In [[BadFuture Terminus]], ''he's strongly implied to [[TheBadGuyWins succeed]]'', although [[PlayerCharacter some Defiant Ascended]] [[SetRightWhatOnceWentWrong go back in time and prevent it]].]]
166* The Destroyer from ''VideoGame/RomancingSaGa3''.
167* Marduk the plane-consuming demon from ''VideoGame/{{Sacrifice}}'', whose mere presence on a plane of existence leads to its eventual decay and, ultimately, its complete destruction.
168-->"[[TheReveal Now open your eyes and see!]] I am no mere Marduk. [[IHaveManyNames My names are countless]]. [[TimeAbyss My age beyond reckoning]]. [[HumanoidAbomination I am the]] [[AnthropomorphicPersonification embodiment]] [[EldritchAbomination of all creation's ills]], and my purpose is but a simple one: To annihilate all that is unworthy. All that is a reflection of myself."
169* In ''VideoGame/SandsOfDestruction'', there is a Committee whose goal it is to Destroy the World.
170* ''VideoGame/SatelliteReign'': In the ending, your sponsors steal the satellite control codes you spent the entire game fighting for, giving them world domination. But the first thing they do with the satellites that control immortality and mind control the entire world? ''Crash them straight into every capital, permanently killing almost everyone''. All seemingly because the CrapsackWorld they live in is so bad they've gone to believe destroying the whole thing and starting over with whoever survives is better.
171* ''VideoGame/{{Shadowverse}}'': Unlike Nexus who destroys and remakes worlds, Nerva outright annihilates them.
172* After [[EscapedFromHell breaking his way out of Hell]] during the events of ''VideoGame/SengokuBasara 3'', this becomes UsefulNotes/OdaNobunaga's new shtick. This is only a slight step-up in nastiness from how he was when alive.
173* In the opening of ''VideoGame/ShinMegamiTenseiIIINocturne'' Hikawa succeeds in bringing about the Conception that destroys the world (although the one who does the actual destruction is YHWH, who intends to have the world recreated afterwards through a Reason). He further intends to turn this new world into a WorldOfSilence through the Reason of Shijima. In the [[spoiler:True Demon]] ending [[spoiler:the Demi-Fiend]] destroys all of Creation on Lucifer's orders.
174** ''VideoGame/ShinMegamiTenseiIV'' gives us [[spoiler: The White, ''[[TimeAbyss ancient]]'' human spirits who learned of the extent of the Great Will's machinations to try to get the perfect WorldOfSilence eons ago, [[GoMadFromTheRevelation broke down on seeing that even a successful removal of God wouldn't save humanity from spirit-borne ruin]], and decided that the only true cure was to effectively create a black hole powerful enough to reverse the Big Bang.]]
175** ''VideoGame/ShinMegamiTenseiIVApocalypse'' ups the anti once again with Dagda. Similar to [[spoiler:the White]] he hates how the universe is trapped and confined by the will of YHVH and the futility of trying to change the cyclical nature of reality, however unlike [[spoiler:the White]] who are doomed to fail by virtue of only erasing one reality out of infinite, Dagda acts on a much larger scale: humans, demons, angels, and even YHVH himself won't be erased, they will be killed so that the foundation of reality can be uprooted. He won't be content until there is nothing left of the old reality, all he needs is a Godslayer to execute them.
176* After [[spoiler:Galcian dies]] in ''VideoGame/SkiesOfArcadia'', [[spoiler:Ramirez]] goes insane and shoots for the destruction of the entire world, stating that it is no longer worthy of living. [[spoiler:He even gives up his life to fuse with the Ancient Superweapon for Unlimited Power to destroy.]] In doing so, he mirrors the words of [[spoiler:the Silvite Elders]], who had the same goal but lacked the means.
177* While they don't seek to destroy all life forever Nero, Blanck, and Baion from ''VideoGame/{{Solatorobo}}'' all want to kill off the planets current civilization of [[BeastMan Caninu and Felineko]]. While Nero and Blanck seem to want to destroy [[AlwaysChaoticEvil just because they were created to]], Baion believes he's justified in killing everyone. [[spoiler: Having seen the Human race wipe itself out in global warfare, he believes the Caninu and Felineko [[InYourNatureToDestroyYourselves are going down the exact same path]]. Rather than let [[EarthShatteringKaboom Earth get blown up again]] he seeks to restart life with a new perfect race once everyone else is dead]].
178* ''Franchise/SonicTheHedgehog'':
179** Shadow was this when he first appeared in ''VideoGame/SonicAdventure2'' this is because Gerald Robotnik had reprogrammed him into destroying the world with the Space Colony ARK as an act of revenge for the death of Maria which made him lose his sanity.
180*** He becomes this again in his [[VideoGame/ShadowTheHedgehog spin-off game]]. In the Pure Dark - Dark ending, Shadow collects the Chaos Emeralds and decides to bring order and justice to humanity by destroying the entire world.
181** [[spoiler:[[VideoGame/SonicTheHedgehog2006 Solaris]] in all his insanity attempts a [[ApocalypseHow class Z]].]]
182** [[MadGod Chaos]] intends to do this in ''VideoGame/SonicAdventure'' once he reached his [[OneWingedAngel Perfect form]], he also wiped out a civilization in the past, and would have likely continued had he [[SealedEvilInACan not been sealed away by Tikal.]] It's noted in other games he's not ''always'' like this, but his interaction with the Chaos Emeralds can sometimes drive him mad enough with fury he just starts destroying things and doesn't stop.
183** [[VideoGame/SonicForces Infinite]] attempts to do this by making a virtual sun using the Phantom Ruby and [[ColonyDrop dropping it on the Earth]], where Eggman will [[InTheirOwnImage create a new Eggman Empire]].
184** [[spoiler:[[VideoGame/SonicFrontiers The End]] attempts to destroy Sonic's planet, and already succeeded with several planets and stars before this, including The Ancient's homeworld]]. It would've [[ApocalypseHow/ClassX4 destroyed the universe]] or [[ApocalypseHow/ClassZ all of existence]] if it wasn't stopped. It's unclear why it does this other than [[ForTheEvulz for the sheer hell of it]], but some of its rants hint at it seeing itself as an enforcer of Order [[WorldOfSilence in a universe where even being alive counts as Chaos]].
185* Gig from ''VideoGame/SoulNomadAndTheWorldEaters'' fits this trope to a T... And he's [[SociopathicHero on]] ''[[SociopathicHero your]]'' [[SociopathicHero side]].
186** [[spoiler:There's also Revya him/herself in the Demon Path, who ends up ''unmaking existence'' in the 'bad' ending.]]
187* The Ruin, BigBad of ''VideoGame/{{Starbound}}'', is a planet-sized EldritchAbomination that finds all life repulsive and wants to annihilate everything that lives, usually on a planetary scale. Its [[TheDragon Dragon]], [[spoiler:Asra Nox]], has a similar mindset towards all non-human sentient life due to a [[FreudianExcuse traumatic experience during her childhood]].
188* ''VideoGame/StarControl 2'': "We are the Ur-Quan Kohr-Ah. We cleanse our destiny. You will soon die. Make whatever rituals are necessary for your species."
189** The Kohr-Ah are an interesting take on the concept: they do not, believe it or not, hate other species, no do they find other species disgusting. No, their whole motivation for being Omnicidal Maniacs is [[spoiler:they're ''terrified'' of other species... or, more specifically, terrified of another species growing powerful enough to enslave them. This stems from the horrific mind-controlled enslavement their race suffered at the hands of the Dnyarri. They see wiping out all other forms of life as the safest way to ensure this '''never''' happens again.]] Indeed, if you can get them to talk to you for a while instead of attacking, they're remarkably pleasant and polite... as pleasant a conversationalist as a giant black centipede in a death-dealing war machine can be, anyway.
190* ''VideoGame/{{StarCraft II}}'': the Dark Voice plans to use the Zerg and the hybrids to wipe out the Terrans and the Protoss, and once they're done with that, the hybrids will kill all the Zerg so they can reshape the galaxy themselves. [[spoiler:It's eventually revealed that the entire reason Amon is doing this is because the Xel'Naga are not actually a species but rather, a group of beings uplifted with the power and purpose to seed the universe with life. Eventually two races capable of housing the essence of a Xel'Naga would arise, at which point the Xel'Naga transfer their essence into them, [[AscendedToAHigherPlaneOfExistence creating a new generation of Xel'Naga and starting the Infinite Cycle anew]]. However, as the Xel'Naga [[AlienNonInterferenceClause refuse to interfere with the development of their successor races]], [[LockedOutOfTheLoop said successor races are not told about the true purpose of their existence ahead of time]]; Amon in particular was explicitly transformed into a Xel'Naga against his will, [[RageAgainstTheHeavens causing him to develop an intense hatred of the Infinite Cycle as nothing but a source of suffering for everyone involved]]. Thus, he's attempting to destroy the Infinite Cycle by way of exterminating all life so that none will be left to succeed the current generation of Xel'Naga.]] Ironically enough, [[spoiler:his uplift of the Zerg to that end [[HoistByHisOwnPetard ultimately ends up biting him in the ass]] due to [[HeelFaceTurn Kerrigan]] voluntarily [[RedemptionPromotion accepting the essence of the last living Xel'Naga]] to [[DeityOfHumanOrigin become one herself]] and immediately [[KillTheGod smiting Amon down with her newfound power]] before moving on to continue the Infinite Cycle by herself]].
191* ''VideoGame/StarOcean'' series:
192** While nine of the Ten Wise Men in ''[[VideoGame/StarOceanTheSecondStory The Second Story]]'' merely seek to take over the universe, the last one, Indalecio / Gabriel, seeks to invoke the Crest (Symbol) of Annihilation to destroy the universe. [[spoiler:If you complete some optional sidequests to learn more of the backstory, Indalecio/Gabriel is revealed to be Dr. Lantis, who went on a crazed rampage after losing his daughter Filia/Philia to a great war hundreds of millions of years ago]]
193** Luther Lansfeld from ''[[VideoGame/StarOceanTillTheEndOfTime Till the End of Time]]'' becomes one late in the game. He does manage to destroy [[EarthShatteringKaboom the Earth]] and many other planets, but decides to destroy the entire universe later on.
194** In ''VideoGame/StarOceanTheLastHope'', [[spoiler:Faize]] becomes one by the end of the game.
195* ''Franchise/StarWars: VideoGame/KnightsOfTheOldRepublic'':
196** [[HumanoidAbomination Darth Nihilus]] of ''VideoGame/KnightsOfTheOldRepublicIITheSithLords''. At some point in the past, he began consuming the lives of others for his nourishment by draining them through the Force. By the time the player character encounters him, he has become, essentially, the AnthropomorphicPersonification of hunger, has already consumed all life on several inhabited planets, and, if left unchecked, will soon do the same to the entire galaxy... and beyond.
197** His master, [[spoiler:Darth Traya]], sought to kill the Force itself. [[spoiler:In defiance of the trope, it turned out, once she realized that the Force does ''not'' equal life and that people would survive without it and the Jedi/Sith that depended on it in spite of the WorldOfSilence this would create.]]
198** [[TheEmperor The Sith Emperor]] [[BigBad Darth Vitiate]] in ''VideoGame/StarWarsTheOldRepublic'' drained all life from his home planet 1300 years before the game started, and intends to repeat it on a galactic scale. Doing this to one planet rendered him more or less immortal, but if he successfully enacted a galaxy-wide version of the ritual he would essentially ''[[PhysicalGod become the Force]]''.
199** The True Sith in the FanGame ''Knights of the Old Republic III: VideoGame/TheJediMasters'' worship the [[MonsterProgenitor D'arth Syyth]], a [[EldritchAbomination sentient manifestation of]] TheDarkSide whose hosts that [[YouCannotGraspTheTrueForm manage to absorb it without going insane]] become compelled to drain all life, everywhere, like Nihilus & Vitiate.
200* In ''VideoGame/{{Stellaris}}'', [[VillainProtagonist you can potentially become this]] if you choose to "Become The Crisis". The ultimate goal of this path is to construct the Aetherophasic Engine, which would allow everyone in your empire to AscendToAHigherPlaneOfExistence while killing everything else in the galaxy like the Zroni AbusivePrecursors [[VillainousLegacy attempted millennia ago]].
201* Prince Luca Blight from ''VideoGame/SuikodenII'' is a combination of this trope and total AxCrazy. He's a very unpleasant and uncaring guy... mostly because [[FreudianExcuse what he saw]] when he ''did'' care disappointed him in humanity so immensely he now wants to kill them all, and [[OneManArmy hopes to do it as personally as possible]].
202* ''Franchise/SuperMarioBros'':
203** The Shadow Queen from [[VideoGame/PaperMarioTheThousandYearDoor Paper Mario The Thousand Year Door]] attempts to destroy the Earth and and kill all life on it by covering it in darkness and shadow.
204** The Shroobs in ''VideoGame/MarioAndLuigiPartnersInTime'' stage an AlienInvasion of the Mushroom Kingdom and seem to [[AliensAreBastards take great pleasure]] in subjugating and slaughtering the native inhabitants. In their {{Wingdinglish}} language, there's one particular set of symbols that shows up regularly -- and it translates to "DESTROY".
205** In ''VideoGame/SuperPaperMario'', BigBad Count Bleck doesn't just want to destroy the world, he wants to destroy the ''multiverse''. [[spoiler: Dimentio]], at least to a very narrowly smaller degree, qualifies as well, as he wanted to [[spoiler: usurp Bleck and take the Chaos Heart to destroy most of the universe and then remake it. However, he then decides to go back to destroying existence after he was vanquished, even going as far as to leave a shadow of his power behind with the Chaos Heart so that it can last long enough to destroy everything. Count Bleck himself just wnated to wipe it out and ''keep'' it gone along with himself [[PutThemAllOutOfMyMisery out of sheer grief after his lover was thrown out of reality by his father]]; part of why Dimentio started lashing out was Bleck found his lover had survived after all and cancelled these plans.]]
206** The Dark Star/Dark Bowser in the final stages of ''[[VideoGame/MarioAndLuigiBowsersInsideStory Mario & Luigi: Bowser's Inside Story]]''. He doesn't have a reason, he just wants to destroy the Mushroom Kingdom and likely universe because he's MadeOfEvil.
207-->'''Dark Bowser''': Soon this kingdom will vanish along with all who dwell within. And you, too, will sleep eternally in the dark power's embrace!
208** In ''VideoGame/LuigisMansionDarkMoon'', King Boo becomes one by attempting to destroy the fabric of the universe by summoning a giant paranormal portal that summons a gigantic amount of ghosts that could cause the fabric of reality to be destroyed.
209** In ''VideoGame/MarioAndLuigiPaperJam'', [[spoiler:''Bowser'' becomes one of these. Both versions of him, right before the final battle against them, say that if they win, they will trap the Mario Bros. and Paper Mario into the book containing the latter's universe. Then they declare that they will throw it in the garbage and "light the garbage on fire". This becomes very unsettling when you realize that Paper Bowser ''wishes to destroy his own universe without a care in the world, and doesn't care about the consequences!'']]
210** In ''VideoGame/MarioPlusRabbidsKingdomBattle'', the [[EldritchAbomination Megabug]] attempts to destroy both the Mario and [[VideoGame/RavingRabbids Rabbids]] universes.
211*** In it’s sequel, ''VideoGame/MarioPlusRabbidsSparksOfHope'', [[spoiler:the Megabug’s reincarnation]], [[BigBad Cursa]], attempts to destroy the universe by covering it in darkness.
212* ''VideoGame/TalesOfGraces'' sees [[spoiler:[[BigBad Lambda]]]] attempt to invoke this because HumansAreBastards. What he ''doesn't'' count on, however, is [[TheHero Asbel]] being smarter than he looks. Asbel deconstructs the trope by pointing out how the destruction of all life accomplishes nothing, doesn't solve any of the issues that people have and doesn't even benefit the one who enacts it in any way (as they will be the only being left alive... and [[TakingYouWithMe not all the time]]). This complete obliteration of [[spoiler:Lambda]]'s goal is what inspires him to [[spoiler:accept Asbel's offer of ''[[TalkingTheMonsterToDeath letting the world live]]'' and allowing Asbel to show him that HumansAreSpecial]].
213* [[spoiler:Dorian General Grants]], the BigBad of ''VideoGame/TalesOfTheAbyss'', sought to annihilate the entire surface of the planet the game's set in, down to the last molecule, and build a new world upon it from scratch.
214* ''VideoGame/Tekken8'': Devil Jin's ending, ''[[ApocalypseWow Jesus Christ]]''... [[spoiler:Being an alternate retelling of the Story Mode's DownerBeginning where Alisa, Lars, and Lee are killed by the UN. Devil Jin goes on a rampage around Manhattan and proceeds to shoot down the satellites attacking him, before he proceeds to ''smoke everyone and everything'' from space with a powerful Devil Beam, reducing the Earth into a smoking crater, and the scene ends with Devil Jin starts {{laughing|Mad}} jubilantly at the sight of the Earth's destruction.]].
215* Karras in ''VideoGame/ThiefIITheMetalAge'' thinks that life is messy and inefficient. To make a world worthy of [[CrystalDragonJesus The Builder]], it's all got to go. He intends to accomplish this with a powder that consumes living material in a self-sustaining chain reaction. [[HoistByHisOwnPetard That doesn't go so well for him.]]
216* Utsuho Reiuji from ''Franchise/TouhouProject'' became one after gaining her powers (whether this is because she was tricked into godmoding or simply curious of what god-flesh tastes like is up for discussion). Thankfully, the heroines were able to confront her before she got a strong handle on her new powers.
217* Both the Primagen and Oblivion in the ''VideoGame/{{Turok}}'' series.
218* ''VideoGame/{{Undertale}}'':
219** The main one is [[spoiler:Flowey the Flower aka Asriel Dreemurr, a child who had died and was reincarnated without the ability to feel most positive emotions (love, hope, compassion) due to resurrecting without a soul. Flowey lived his life in every possible way due to his ability to save and load (just like you can!) and not only did he grow incredibly bored with his life, but the way people lived and the memories of how he was killed caused him to take up the attitude of "kill or be killed". In his Omega Flowey fight on the Neutral Route, he absorbs the six human [=SOULs=] to become a god and show everyone, both humans and monsters, "the TRUE meaning of this world". In the GoldenEnding, Flowey regains his true form as Asriel Dreemurr and aims to erase the timeline and start from the beginning so that he can "play" with the protagonist forever by killing them over and over.]]
220** In [[spoiler:the Genocide Route, ''the player'' [[VillainProtagonist can become one of these]]! This game brutally deconstructs the idea of {{mooks}}, and makes it clear that EVERY RandomEncounter you kill is a person with family and friends, and as such, LevelGrinding is the most evil thing possible. If you proceed to kill everything and everyone despite multiple warnings of its horrible consequences, several YouBastard moments, and ''the tagline being "THE RPG WHERE NOBODY HAS TO DIE"'', [[ThatOneBoss prepare to have]] [[MemeticMutation a bad time]].]]
221** While AlternateCharacterInterpretation abounds with [[spoiler:[[HumanoidAbomination the First Child/Chara]]]] and how much of an example of this they really are, the most straightforward interpretation is that they are a very played-straight example: Should you finish [[spoiler:a No Mercy/Genocide Route,]] you come face to face with [[spoiler: Chara, who is revived through the player's own Omnicidal Maniac actions, seems to be someone/some''thing'' Frisk transforms into upon completing the run, and whose appearance spells the end of what's left of the ''Undertale'' universe. Regardless if the player agrees to their proposition to destroy the rest of the world or not, Chara does so, and upon restarting the game, there is nothing left but empty blackness and a howling wind. Chara also has the ability to bring ''back'' the world as well, but will only do so [[DealWithTheDevil if you hand over Frisk's SOUL]], and the GoldenEnding is permanently derailed in a way that heavily suggests that they steal Frisk's body [[ShootTheShaggyDog and destroy the world anyway]].]]
222** In the alternate universe spin-off ''VideoGame/{{Deltarune}}'', Chapter 2 reveals the currently-unseen Knight might be this. [[spoiler:The Dark Fountains it's been creating can summon the Titans and cause TheEndOfTheWorldAsWeKnowIt if there are too many of them. That said, it's unknown if the Knight is actually aware of this or not, because at least one of its closest supporters had ''zero'' idea this would happen]].
223* ''VideoGame/ViewFromBelow'': The Crimson God's goal is nothing less than the eradication of humanity [[spoiler:for crucifying him as Jesus Christ]].
224* The Burning Legion in the ''VideoGame/{{Warcraft}}'' games has, as its goal, nothing less than the complete eradication of all life in the universe -- and, according to the BackStory, has already destroyed several ''thousand'' planets by the time it reaches Azeroth.
225** Occasionally overlapping with the Burning Legion are the Voidwalkers, who are creatures of pure entropy who exist only to devour the physical world. One of their leaders, Dimensius, is responsible for destroying the Ethereals' homeworld. [[DidYouJustPUnchOutCthulhu Players naturally get to punch him out]].
226** Apparently the Twilight's Hammer cult is composed entirely of such maniacs. The ultimate goal of the cult is to bring about the end of Azeroth by any means necessary.
227** In ''VideoGame/WorldOfWarcraft''[='=]s third expansion pack, the BigBad, Deathwing, is an example of this. When fighting him [[spoiler: he has an attack called cataclysm which is meant to completely destroy all life on Azeroth. If he succeeds via this attack or some other, as is shown in the [[BadFuture End Time]], He would have then killed himself to extinguish all life in the world.]] His minion/son, Ultraxion, [[spoiler: also has an ability, Hour of Twilight, that kills the dragon aspects and allows Deathwing to take over the world (and proceed to extinguish all life).]]
228** Not limited to the "Bad guys" either though. The optional boss in Ulduar is Algalon the Observer. He is a constellar, a herald of the [[BigGood Titans]]. He has decided that the world is infected with void taint and must be "re-originated": a technical term meaning that all fleshy life on the planet has to be eradicated. Your job as the players is to convince Algalon that the void taint does not make you weak by beating the crap out of him.
229* Mother from ''VideoGame/WildArms1'' believes destroying the worlds she visits is her destined role in the cosmos. [[spoiler: That includes Saturn Hiades, which Zeikfried thought was the demon homeworld. To make matters worse, Mother insists Zeikfried is destructive like her, to the point she is willing to [[DevourTheDragon devour and possess him]] to make sure he is.]]
230* ''VideoGame/XenobladeChronicles2'':
231** Malos wants to destroy the world. He never gives any explanation or justification; he just hates absolutely everything. Mythra theorizes that he doesn't actually have a reason, but he's just following some base instinct that he doesn't understand. [[spoiler:This is because Malos inherited this desire from Amalthus, the man who originally awakened him. Amalthus hates everyone and everything because [[MissingMom his mother was killed by soldiers]] and [[TroublingUnchildlikeBehavior then he brutally murdered the men who killed her]]. The rest of Amalthus' life wasn't much better. Malos got the desire to destroy the world, but none of the reason behind it. It should be noted that by the time of the story, Amalthus himself has moved past this motivation (he still hates everything, but is content to manipulate the world politically and only goes ballistic when people try to climb the World Tree and meet the Architect, which he believes they are unworthy of).]] Rex tries to talk Malos down at the end with this reasoning, but Malos [[SunkCostFallacy has lost too much to give up, no matter how little sense it makes]].
232--->'''Rex:''' Malos. Is this really what you want?\
233'''Malos:''' Huh?\
234'''Rex:''' Is this what ''you'' want?\
235'''Malos:''' I... don't understand the question.
236** Malos's Driver, [[spoiler:Amalthus]], has a bad case of this as well. [[spoiler:After personally witnessing [[HumansAreBastards the worst of humanity]] (including running for his life from enemy soldiers only for his mother to sacrifice herself to save him and later finding her corpse, as well as having [[TheFarmerAndTheViper acts of kindness to others repaid with violence to others]]), he climbed the WorldTree intent on getting a direct audience and answer from [[TheMaker The Architect]] about why they live in a CrapsackWorld. What he found instead was LostTechnology in the form of war machines, a lifeless [[ThePromisedLand Elysium]], and finally the Core Crystals of the Aegises, themselves capable of [[PersonOfMassDestruction destroying the world]]. At that point, he not only decided this meant the world was not just forsaken and [[PutThemAllOutOfTheirMisery deserved to be ended like a mistake]], the fact that The Architect never directly intervened to stop him convinced him that {{God}} was fully onboard with his intentions (he wasn't, [[AlienNonInterferenceClause but had long ago decided to never meddle with his creations again]] and let them do what they may). While Amalthus isn't ''directly'' destroying the world like Malos, he has intentionally and knowingly set the world on the inevitable path of destruction by disrupting the life cycle of the Titans--essentially, genociding the very continents that people live upon]].
237* Id from ''VideoGame/{{Xenogears}}'' wants to kill everyone and everything, [[GenericDoomsdayVillain for rather vague reasons.]] Granted, [[spoiler:he IS the embodiment of all hatred and suffering that Fei had mentally suppressed]], but it doesn't change the fact that he finds little reason behind his slaughter other than it being fun.
238* The Xenon in the ''[[VideoGame/{{X}} X-Universe]]'' started out as {{terraform}}ing drones. After a badly coded software update, [[AIIsACrapshoot they went haywire]] and now attempt to terraform all biological life out of existence.
239* ''VideoGame/ZoneOfTheEnders'' has Nohman, who fancies himself as an agent of the universe's natural will towards its own destruction. Although he does seem to enjoy it just a little too much.
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