Only a few select personality types, outlined in the attached report, have any desire to re-activate the device. Most notable are the D-class sociopaths who show similar amusement when presented with a big red button that says "kill everything."The Doomsday Device is the crowning achievement of any self-respecting Omnicidal Maniac and Mad Scientist. He is usually in the process of creating one at all times, dreaming of the day he can use it to Take Over the World. Obviously, to build something this high on the Sliding Scale of Villain Threat, he needs a ton of unobtainium or cosmic keystones to make it work, which the villain will have to steal in a string of smaller crimes that will draw the hero's attention to him long before it is complete. You may notice that in story terms, a Doomsday Device is one big MacGuffin powered by several smaller MacGuffins. Having one in a story is essentially giving a villain a "Collect The Plot Coupon" quest and having the hero stop them. The nature of the Doom this device will unleash on the world does not matter until the device is actually activated. It rarely is, outside of deconstructions or backstories of ruined worlds. It can essentially do anything, as long as the end result is global or near-global destruction. An Earth-Shattering Kaboom, an army of nanomachines, a Zombie Apocalypse, Weather Control, Frickin' Laser Beams, or a particularly large Horde of Alien Locusts. It's the scale that makes it a Doomsday Device. Typically, a villain will construct one that best reflects his personality. Also keep in mind, that the entire point of a Doomsday Device is lost... if you keep it a secret, nein? Compare with Lost Superweapon and Artifact of Doom. See also Pointless Doomsday Device. The method of many Apocalypse How and Apocalypse Wow events.
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Anime and Manga
- Dr. Hell from Mazinger Z loves built them (and in the manga of Gosaku Ota, he stated he was already working on them when he working for Hitler, but he kept them for himself. He also claimed if he would have revealed all his inventions, Germany would have won the war).
- Takahashi-Sensei wrote a short story in the early 1970's (with many of the plot elements later ending up in Urusei Yatsura). In this tale, three alien races all decide to blow up Earth for their own reasons and launch tiny planet-busters, all of which end up in the same person. Then they discover each other and compare notes. The Horrible Truth: Their planet-busters all work by different principles, and if they go off together in one person, they will literally destroy the universe. So the aliens all set about making sure nothing bad happens to the person with the Doomsday Devices inside him, resulting in an age of galactic peace and unity.
- One of the Doraemon movies deal with the logical outcome of an ancient Dead Hand (see Real Life section below) system outlives its creator civilization. Long time ago, there were not one but two Atlantis-like undersea civilization: the aptly-named Atlantis, and Mu. They went to war with each others, and it was either Mu won, or Atlantis collapsed on its own. The Dead Hand system of Atlantis, called Poseidon, is located in Bermuda Triangle and is still fully functional. Its activation will render the world "unhabitable even for the smallest and most resilient insects", and the increase of severe undersea volcanic activity will be interpreted by Poseidon as "the Mu are attacking our last line of defense". So the Mu people beg Doraemon and friends in a (suicide!) mission to destroy the core of Poseidon with Doraemon's future gadgets.
- Meanwhile has a booth called a Killitron which, at the press of a button, will kill every human outside. This, combined with the weird intricacies of quantum mechanics, allows it to be used for practical purposes, like making ice-cream.
- Spider-Man: Doctor Octopus likes to build Atomic Doomsday Devices.
- Magneto's usually consist of trying to alter the rotation of the Earth or a friggin' huge meteor.
- In The DCU series called L.E.G.I.O.N., a horrific conflict is neutralized with the application of a potential destructive device. Anyone gets uppity, the device goes off and everyone suffers. Seemingly... the device is just a bunch of shiny bits. It does nothing.
- Wandering Star. President Andrews destroys Earth by secretly activating the Weapon Armageddon, an old doomsday device believed to have been disarmed, to prevent Earth from being enslaved by the Bono Kiro.
- At some point in Marvel Star Wars, the protagonists find a device that is supposed to be able to devastate the entire galaxy. It's never been tested and even its creator didn't know if it would work as designed, but when it gets triggered they destroy it anyway before it can fire. Just in case.
Films — Live-Action
- The Death Star from Star Wars is an iconic example. (In fact, if there's a weapon in a work of science fiction that can destroy planets, fans will compare it to the Death Star in some way.)
- Doctor Strangelove features an automatic Doomsday Device that will fire if Russia is hit with a bomb. The rest of the movie revolves around stopping the bombing some stupid general ordered. They don't. Truth in Television: Dead Hand. Also note that the movie highlights the foolishness of keeping such a device secret.
- The cobalt bomb at the end of Beneath the Planet of the Apes.
- Whether he counts as a "weapon" or a "character" is hard to say, but the robot Gort from The Day the Earth Stood Still (1951) might qualify. Never mind the fact that he defeated a whole unit of the U.S. Army by himself; according to Klatu, he could have destroyed the Earth if he had to.
- Quite a few in the Star Trek films:
- The Genesis Device. It is designed to reshape a dead world into one habitable for humanoid life. However, Dr. McCoy and others realize, if used on a planet where life already exists, it would wipe out that life in favor of its new matrix. This sets up a hook for the sequel, where the Klingons try to acquire the device for themselves.
- Dr. Soren's trilithium probe. It stops all fusion within a star, causing it to collapse and generate a shockwave that destroys all planets in the solar system.
- Red matter. A single drop of it is capable of creating a black hole. Nero uses it to destroy Vulcan.
- From laser weapons in space powered by diamonds to stolen nuclear submarines to life-ending biological weapons, James Bond villains have made this trope as their raison d'etre.
- In the Mark Gatiss adaptation of The First Men in the Moon Professor Cavor suggests that his Anti Gravity paste Cavorite could be used as one. A sheet of Cavorite pasted on the ground would make the air above it weightless, causing it to shoot out into outer space. More air would rush in to fill the vacuum until the entire atmosphere was gone. Cavor ultimately uses this idea to exterminate the Selenites (and himself) before they can force him to help them conquer the Earth.
- The Doomsday Device starts with one of those, which is an excuse to launch seven people into space (and a bad movie).
- Johan Schmidt's Valkyrie Amerikabomber from Captain America: The First Avenger also counts. It carried a large arsenal of city-busting WMD's and had the ability to traverse the Atlantic in a few hours, at speeds and altitudes that would make it dificult to intercept. It was also powered by the Cosmic Cube. Its intended use was to destroy most of the world's major cities, starting with New York. Schmidt was also targetting Nazi Berlin as well. His "superiors" were not happy.
- G.I. Joe: Retaliation: Cobra's Zeus satellites, which can easily devastate an entire city at will, as seen with the destruction of London.
- The solaronite (spelling problematical) from Plan 9 from Outer Space. The aliens warn that if humanity ever invents it, it could destroy the universe by exploding atoms of sunlight. But then the aliens get killed, apparently leaving humanity free to invent it...
- Cat's Cradle by Kurt Vonegut has a fairly potent, if unintentional example of Ice Nine, a seed crystal polymorph that converts all water it touches into duplicate crystals of Ice Nine. It has a melting point of 114 degrees F by the way. "Keep away from moisture" indeed.
- A short story by Edmund Cooper has teams of American, Russian and British scientists all building incredibly elaborate Doomsday Devices that will destroy the world completely if anyone tries to use nuclear weapons or invade their countries at all. This ends up causing world peace; in a subversion the scientists reveal to each other at the end that none of the machines actually work, but are just impressive collections of cables, strange chrome things and flashing lights, with the exception of the Russian doomsday device, which will blow up anyone who tries to use it..
- Doctor Impossible's current scheme in Soon I Will Be Invincible — most of his part of the story involves collecting a series of MacGuffins that he assembles into a doomsday device.
- The Mouse That Roared (first a book then later a movie starring Peter Sellers in the three top roles) had the plot centering around the "Q-Bomb", a football-sized weapon capable of vaporizing an entire continent and finishing off the rest of the planet with its fallout. Only after the World's Smallest Nation has bullied the world into disarmament is it revealed (only to the readers) that the bomb was a dud.
- In the movie we discover that an actual mouse has been nesting inside the bomb. Once it leaves the bomb may be live again.
- From the ''Star Wars Expanded Universe:
- The Sun Crusher
- The World Devastators
- Centerpoint Station
- The Galaxy Gun
- Darksaber deserves special mention; it was supposed to be just the "giant planet-destroying laser" part of the Death Star, but the builder cheated his contractors and it was shredded in an asteroid field without ever firing a shot.
- The Eye of Palpatine.
- The Nostril of Palpatine. (Okay, this one is a joke. It was the name Han gave to a hypothetical superweapon with alternatives including the Nova Colossus and the Galaxy Destructor, as part of a great speech lampshading the incredible number of useless superweapons the Empire tended to build. And also a giant Take That to the Bantam novels, aka The Superweapon Of The Month Club, who brought you the majority of the above.)
- The Nova Bomb in Robert A. Heinlein's short story "Gulf".
- The title machines in Fred Saberhagen's Berserker stories.
- Hactar's Ultimate Weapon in Life, the Universe and Everything uses spacewarps to link the core of every sun in the universe to every other sun in the universe, and if triggered would cause every sun in the universe to explode. The species who ordered the creation of this piece of overkill tried to use it to blow up one of their enemies' munitions dumps. Luckily, the weapon didn't actually work, because Hactar, pondering the implications of such a weapon, designed it to be a dud. Later on he got qualms about that.
- In Gary Gygax's Gord the Rogue novels, the villains are on a quest to find three parts to a doomsday device that will free Tharizdun, a universe-destroying insane god who was imprisoned by the rest of the gods for eons. However, the villains do not want to use the device — instead they want to make sure the three parts are kept as far away from each other as possible. That doesn't work out too well.
- The antimatter canister in Angels & Demons.
- The titular device of Nick Harkaway's Angelmaker
- Older than Television: In Auf zwei Planeten ("On Two Planets", 1897) by Kurd La▀witz Oss, the leader of the Antibat (anti-Earthling) party on Mars proposes a device called the "Earth-Brake" (Erdbremse) to get rid of the pesky humans on Earth following their successful revolt against the Martian protectorate over the planet. The device would halt Earth's rotation, with the Pacific Ocean ending up permanently exposed to the sun and the most densely populated areas permanently in the dark, with catastrophic results. Happily the construction and implementation of the Earth Brake is prevented by the electoral defeat of the Antibats and the subsequent peace treaty between Mars and Earth.
- The Tear of Isha from the Doctor Who novel "Engines of War" which can collapse anything into a single compressed gravitational singularity.
- A few pop up in Star Trek The Eugenics Wars, both in Khans hands.
- A biologically engineered strain of streptococcus that he and his fellow superhumans are immune to was originally engineered by the scientists at Chrysalis to cleanse the world of inferior humanity so their new breed could take up the mantle. Khan gains the formula and manufactures enough for large scale germ warfare. He was foiled and the research base was nuked by another band of superhumans.
- A scientist engineers a device that can close holes in the ozone layer. Khan realizes that it can be used to open holes in the ozone layer over enemy nations or even the entire world, allowing him to "slit the worlds throat".
- Revelation Space has the Hell-Class weapons that the Nostalgia For Infinity found in a hidden asteroid base. Their effects vary, but all of them are a Wave Motion Gun at the very minimum, and the weapons are effectively miniature independent spacecraft in their own right. Ilia Volyova uses one to raze an uninhabited area of Resurgam to coerce the colony into turning over Dan Sylveste. In the sequel Redemption Ark, Volyova uses another to slice a lighthugger in half from several light-minutes away, and the weapons' nature is revealed as Conjoiner-designed weapons built with plans from the future to fight off an unknown threat.
- Lyta Alexander from Babylon 5 could technically be considered this:
Garibaldi: My turn. You want me as a partner? Then I have to be in all the way. So I need to know, Lyta, Something's happened to your abilities. You're not a P-5 anymore. Hell, you're not even a P-12. You're the strongest telepath that I've ever seen. What did the Vorlons do to you, Lyta? Who... What are you?
Lyta: I've only recently begun to understand it myself. You know the Vorlons used telepaths as weapons in the Shadow War...but what no one stopped to consider was that in a war, you have a certain number of small weapons, a certain number of medium sized weapons, and one or two big ones. The kind of weapons you drop when you're out of small weapons, and the medium weapons, and you've got nothing left to use.
Garibaldi: Someone like that would...be the telepathic equivalent of a thermonuclear device. A....a doomsday weapon.
Lyta: (eyes glowing) Pleased to meet you, Mr. Garibaldi.
- The Lexx.
- The planet-eating device in the title of the Star Trek: The Original Series episode "The Doomsday Machine".
- The Uthenium/cobalt bomb in The Bionic Woman (1970s) episode "Doomsday is Tomorrow". A scientist creates a Doomsday Device in the hope of scaring the population into peace. He never intended to use it, even if his plan failed, but his supercomputer, whom he programmed to "win", attempts to destroy the world when the orignal plan fails.
- Doctor Who regularly encounters villains that revel in these.
Fourth Doctor (while typing on computer terminal): The trouble with computers, of course, is that they're very sophisticated idiots. They do exactly what you tell them to at amazing speed, even if you order them to kill you. So if you do happen to change your mind, it can be very difficult to stop them obeying the original order, but..."(Taps a few final keys, countdown stops) Not Impossible."
- Sometimes even the good guys, as witnessed by UNIT's Earth-Destroying Osterhagen key in the series 4 finale.
- Which is small potatoes compared to the Multiverse-extinguishing Reality Bomb built by the Daleks, which required a solar system's worth of stolen planets to amplify.
- Heck, the Daleks themselves are a sort of sentient Doomsday Device. The Doctor warned their creator exactly how dangerous they were when they were first being created. And he finished them anyway because he always kinda wanted to destroy everything.
- In "The Man Who Made Volcanoes" from Wonder Woman Season 2 (1977), the Amazon uses her whole body to block a ray from a massive volcano-inducing raygun, ending a threat to countries around the world. Another doomsday device from that series involved a character named Andros whose spaceship would destroy the world if he was not released from Nazi custody in time to defuse it ("Judgment from Outer Space," Season 1).
- The Strada Brac (note the actual spelling was never revealed) on Tracker. It could destroy an entire planet anyway, and it had the power to destroy the entire planet in a backwash of energy if taken through the wormhole as Zin wanted it to be. Hence hiding it at the Watchfire deep underground.
- In Farscape: The Peacekeeper Wars the Wormhole Weapon that the Peacekeepers and Scarrans have been chasing John Crichton for turns out to generate an exponentially-expanding black hole that doesn't stop until the user chooses to shut it off or it devours the universe. John demonstrates it to both fleets, and refuses to stop it until they agree to a ceasefire.
- Dilbert: Dogbert's built a few in his time.
- One mode of play from the Paranoia rulebook for High Programmers is Doomsday, where each player has a Doomsday weapon and the ability to use it. Paranoia indeed.
- The premise of the board game Mwahahaha is to collect the items needed to activate your Doomsday Device on a global scale and use it to take over the world.
- Warhammer 40,000 has these. Lots of them, actually. In every size, shape, and means of destruction imaginable.
- However, you have to consider, that most of them won't even scathe a tank of that universe.
- Chaos has an actual Doomsday Device strategic asset for Apocalypse. It tends to hurt a lot of people when activated.
- Tech Infantry has these, both by name in its backstory (The Three-D, or DoomsDay Device, is a device that can send a star into supernova, destroying an entire solar system (it was used to defeat a particularly nasty alien invasion), and through the armament of huge mile-long FTL starships that can fire miniature black holes. Several races can toss around asteroids big enough to wipe out the dinosaurs.
- Filled quite nicely by Eldtrich Machines in the Eberron Dungeons & Dragons setting. What does an Eldtrich Machine do? Anything your plot demands it does, really.
- Pandorym, one of the Eldritch Abomination outlined in the Dungeons & Dragons sourcebook Elder Evils was summoned to act as a living Doomsday Device, with the potential to slay gods.
- In Ravenloft, Azalin the lich-king constructed an arcane mechanism that's actually called a "Doomsday Device" ... only it's intended to let Azalin break out of the Land of Mists, not destroy it or hold it for ransom. (Its side effects did wipe out a major city, though.)
- In Traveller, the Sun Trigger of the Darrians, which can cause solar flares in a star and devastate its planets.
- Magic: The Gathering has several of these; one example would be the Plague Boiler. Three turns after it's played, everything in play that's not a land is destroyed.
- Doomsday devices has a long tradition in Magic, going all the way back to Nevinyrral's Disk, which was a direct allusion to Larry Niven's The Magic Goes Away.
- Within the game mechanics, Oblivion Stone has much the same idea behind it, appearing to operate by radically altering the fate of the permanents on the battlefield.
- In a more story focused context, the Golgothian Sylex was activated at the end of the Brother's War, and was responsible for cleansing the island of Argoth, catastrophically damaging the weather patterns of Dominaria leading to an age of Dark and a subsequent Ice Age, and and shattering the fabric of the multiverse to create the Shard of the Twelve Worlds.
- Even the joke sets got in on this, with the World-Bottling Kit.
- The Sword of Creation (aka the Realm Defense Grid) in Exalted. Once fired up you can use it to obliterate entire armies of powerful supernatural monsters. It does also chew up the landscape though, so it is not fit for everyday use.
- There's also the Daystar, the gigantic flaming mecha that serves as Creation's sun and the Unconquered Sun's base of operations. It has a cannon that, if fully powered up, will destroy all of Creation. The Unconquered Sun has only used it once - during the days of prehistory, to destroy the blighted copy of Creation a Primordial tried to use to replace the genuine article - but it's noted that, should the world fall to the Yozis, he may have to use it again.
- The Planet Killer Rocket in Rocket Age, created by the Ancient Martians to destroy Eris. The Rocket was so powerful it also knocked Mars out of it's original orbit. The Nazis also are building one in the Asteroid Belt.
- The Sons of the Patriots system in Metal Gear Solid 4. Every weapon, military vehicle, and even soldiers and mercenaries are integrated with a system that allows any piece of equipment to be used only by designated operators. Stolen equipment is completely useless and commanders can selectively revoke soldiers' permissions to equipment when they disobey orders. The system also includes a limited form of mind control that makes soldiers almost fearless and immune to pain. While its presented as an effective solution to put an end to the activities of warlords and rogue units, as well as making armies more efficient, things look completely different once the terrorists get the master password to the main server. With the press of a button, Ocelot shuts down every organized military force in the world with only his personal mercenary companies having a complete monopoly on military capability. The first three of five levels the heroes try to stop him, but ultimately fail as Ocelot takes control of SoP and effectively rules the entire world.
- Doctor Robotnik has fun with these. Bonus points for the Doomsday Project from the cartoon, which was central to the show's climactic story arc, but was presented for most of it as not much more than a big, enigmatic machine that he was really excited about.
- Singularity has the E99 Bomb, an explosive device the size of a football that represented Stalin's answer to America's military superiority. In an Alternate History, Nikita Khruschev deployed it against the US East Coast in a preemptive attack. There was no more East Coast after that.
- One of the songs in Mega Man ZX is even called Doomsday Device. It's a pretty awesome track. Have a listen.
- In Within a Deep Forest, your goal is to stop a bomb designed to freeze the entire world. There is a time machine in the game. Guess where it leads?
- Played for laughs in the web game Mastermind World Conquest. If you succeed in holding off the unending waves of enemies long enough for your Doomsday Device to succeed, you manage to destroy the world, narrowly getting away in your spacecraft... only to realize that you never thought about what to do next. You are then presented with options ranging from flipping off Earth's rubble to giving a Big "NO!" because you forgot to bring Cheesy Snacks.
- Similarly in the game Evil Genius, the player builds his secret HQ and accumulates resources to build any one of a number of Doomsday Devices. The game in won when the player has managed to avoid all the heroes and Secret Agents and actually conquer the world.
- In the Nasuverse, the alchemists of Atlas are said to possess a rather large stockpile of doomsday devices, built to fight back against whatever they predict will end the world. And, later, against their previous doomsday devices which are now part of how the world will end.
- EVE Online actually has a weapon called the Doomsday Device, used to wipe out fleets of ships. Later it was updated to act as a Giant Frickin Laser Beam to target and destroy large ships such as Capital Ships or Titans.
- In Genius The Transgression a high level Genius can build one of these, making it an option for players.
- Building a Doomsday Device is the final goal of Evil Genius for the PC. The player actually has a choice of three possible devices to build, including a Gravity Disruptor, an Earthquake Ray and an ID Eliminator (that basically turns everyone into your minion).
- In the Impossible Mission games, Mad Scientist Elvin Atombender's doomsday device attempts to crack the world's nuclear launch codes and cause an Earth-Shattering Kaboom.
- One of the premises of the Halo franchise is that all sentient life in the galaxy will end if the titular Halo rings are fired. As it turns out, there is a reason for this function; it is not a Pointless Doomsday Device, but a last-resort tool. One that has been used before.
- Dwarf Fortress. Build your own doomsday machine. Envelop the world in fire and water and then mix them both and bury the world under a bed of obsidian. The type of doomsday device you make is limited only by your imagination and how many pathetic minions you kill trying to build it. The most infamous example would be Project "Fuck the World" of Boatmurdered, which flooded the surface map with magma.
- The Team Fortress 2 maps Gravelpit and Nucleus are fought over these. The former is a Ray Gun. The latter is...a gigantic spinning whirligig of light. Hanging over a radioactive pit. It's quite pretty.
- In X-COM Interceptor, you eventually discover that the aliens are building a giant, invincible Doomsday Machine, one shot from which will raze the Earth, killing everything and everyone there. Of course, it's invincible, so you can't directly harm it. The only solution X-Com scientists can come up with is the Nova Bomb, a human Doomsday Device that instantly causes a star to explode, wiping out everything in the solar system. Of course, there's nothing preventing you from using it on solar systems that aren't harboring the alien Doomsday Machine...
- In Half-Life 2, the Citadel becomes a bit of one, since it explodes - solely and completely because the energy from the explosion would help tear open a portal between Earth and the Combine home dimension. If that were to succeed, the human race would be utterly obliterated in minutes, once and for all, no rematches no second chances.
- Attack Of The Mutant Penguins has the Doomscale, a giant scale for balancing penguins on. If too many alien penguins pile on and set it out of balance, it's Game Over.
- The System Killer in Sword of the Stars is Exactly What It Says on the Tin. Given that the playable factions can only scour planets clean of life, it's very much an Outside-Context Villain. Supplementary material states that it was a tool of war by some Precursors that... "lost its way".
- The Galactic Armory mod for Star Ruler adds in several flavors of doomsday devices, most of which belonged to the Remnants. Massive battle stations that can drain the energy of an entire fleet from several AU away, causing the ships to go derelict. There are also stations that can remotely detonate planets. Good luck taking them over though, because they are typically guarded by an entire fleet of Remnant ships. Players can also build a variety of superweapons, such as the Superlaser or the Planet Buster missile, which are more than capable of razzing the surfaces of worlds in an instant - or making them simply explode. Once ship scale begins to exceed five hundred, pretty much any weapon is capable of killing everything on a planet, instantly. Build a ship big enough and it can destroy stars, or the obliterate quasar at the center of the galaxy, destroying pretty much everything in the galaxy
- In Star Trek: 25th Anniversary, Kirk and his crew have to deal with an asteroid that is an orbiting nuclear missile base that threatens to bombard a planet it previously devastated centuries ago. The solution proves to be using a computer virus found in its computer system to interfere with its launch program to make sure it misses the planet.
- Parodied in The Demented Cartoon Movie: Evil Blah puts his "weird evil machine thing o' doom" into operation, even though nobody knows what it does.
- The Mercury Men try to pull the Moon down to crash into the Earth using a Gravity Engine.
- The Annihilatrix from Frisky Dingo is a giant rocket engine engine built to send the earth into the sun.
- This is occasionally a problem on Jimmy Neutron; fortunately, Professor Calamitous is unable to finish anything he starts, leaving Jimmy a way to somehow save the day.
- Nimnul from Chip 'n Dale Rescue Rangers loved to make these, and every time they were powered by something more and more bizarre. His first one was powered by petting kittens.
- Busting Doomsday Devices is pretty much Kim Possible's hobby, with Dr. Drakken the major builder of them.
- The best is the machine that sucks the entire planet dry of breathable oxygen. It's activated once, it quickly destroyed, never referenced ever again and didn't make any sense in the original episode at all.
- In Exo Squad, the Big Bad Hitler-wannabe Phaeton constructs a Doomsday Device to blow up the Earth, should the Terrans come close to recapture it. Bat-shit insane as he may be, he actually has a good motivation for this, as destroying Earth is his way of retaliating for destruction of Mars, de facto Neosapien homeplanet.
- Something similar occurs in the 2009 Star Trek movie.
- In The Penguins of Madagascar special "Blowhole's Revenge", Dr. Blowhole creates a Doomsday machine that draws heat from the Earth's core to melt the polar ice-caps and therefore raise the sea-level and destroy all life on earth that cannot swim.
- The plot of most of the G.I. Joe mini-series involved Cobra attempting to make a doomsday device out of parts scattered all over the world. The Joe team then tries to keep Cobra from obtaining the parts. (Arise, Serpentor, Arise also followed this plot, where Cobra was genetically engineering a human being.)
- Motorcity: The Genesis Pod, which could wipe out all of Motorcity.
- Roswell Conspiracies: Aliens, Myths and Legends: The EMP bomb, and the Shadoen fleet.
- Teen Titans: In the first season finale has Slade unveil his chronoton detonator, a machine that can permanently stop time across an entire city. It turns out to be a fake; making the Titans think he had a Doomsday Device was all part of a Batman Gambit.
- In the "Turtles in Space" arc of Teenage Mutant Ninja Turtles (2003),Professor Honeycutt never intended his teleportation device to be a super-weapon, but two warring empires saw the potential for it to be one, as they could use it to teleport nuclear bombs into the cores of planets.
- In Futurama The Professor has around a dozen of these lying around Planet Express. His personal favorite being the Sphere-o-Boom.
- Apparently, the Soviet Union had a semi-autonomous system set up during the Reagan years called Perimeter, or Dead Hand. The purpose of this system was so that, in the event of nuclear war, the country's nuclear arsenal could be deployed quasi-automatically in response to a nuclear attack on Soviet soil, regardless of whether or not the Soviet leadership was even still alive - thus allowing the Soviet nuclear arsenal to function as a doomsday device. Sound familiar?
- While it's sinister and Russian, the Perimeter system is not that different from the contingency plans of every Cold War era nuclear state - preserving a second strike capability was seen as essential to discourage opponents from making a surprise first strike. This is why ICBM-carrying submarines were developed and refined by all five major nuclear powers. The most charming contingency plan is certainly the UK's Letters of Last Resort.
- The automated systems used by the US and USSR gave false fire orders more than once, each time disaster was barely avoided by someone refusing standing orders because they didn't trust the system. Most were due to the systems misidentifying natural phenomena as incoming missiles.
- The problem with systems designed to respond in the event of a decapitation strike is making sure they won't respond unless there is a decapitation strike. Since a decapitation strike is generally intended to paralyze the target long enough to ensure total defeat before it can organize a coherent response, this makes the window for the system to correctly detect and respond to such a strike very small.
- At one point, the scientists at Los Alamos entertained the possibility that a single atomic bomb could turn out to be one. Before the detonation of the first nuclear bomb, Trinity, bets were taken about the yield of the explosion. Predictions ranged from a dud to the ignition of the atmosphere itself and the total destruction of the planet. Although calculated to be almost impossible, the almost was enough to cause some anxiety among some of the physicists all the way up to the moment of the detonation. The moment of detonation is what is today called a "Fermi moment".
- There was also some concern that a thermonuclear device detonated in the ocean would cause a chain reaction of nuclear fusion, which proved even less founded.
- Project Orion was meant to send a large spacecraft into space using a series of nuclear explosions, for peaceful exploration purposes. In order to help with military funding, the scientists working on the project had to come up with military applications. One of the ideas was that since it could carry really heavy loads into orbit, they could give it a massive hydrogen bomb payload without the weight constraints of other delivery systems. It could then hover over the Soviet Union and be dropped if needed, wiping out the USSR and probably destroying the climate of the northern hemisphere in the process.
- Another version placed the entire US retaliatory arsenal on Orion-powered ships operating as far out as the orbit of the Moon. At such a distance, it would be impossible to launch a surprise attack on the retaliation capacity and on targets on Earth (the missiles would take at least one day to reach the ships, which would be immune to any anticipated strike by a single warhead, since they could simply take the hit on the pusher plate and sustain no damage). In the even of an enemy first strike, the ships would proceed to make their attack runs to launch their own warheads in retaliation, secure in the knowledge that if they had received incorrect information, the fact it would take about one day to get into launch position would give plenty of time for the error to be detected and corrected (preventing an accidental first strike).
- The Israeli Samson Option, which basically is a nuclear missile programmed to hit every European and Middle Eastern capital should Israel ever find itself in a losing war. (The Middle East is understandable, but why Europe? Revenge for 2000 years of persecution and pogroms. And as an "incentive" to help Israel before they lose the war.)
- Hermann Kahn, a defense analyst who was an inspiration for the character of Dr. Strangelove, proposed a doomsday device to the Strategic Air Command officers as a rhetorical device to illustrate how this idea was but a slight exaggeration of their primary nuclear warfare strategy.
- Project Pluto was a doomsday device proposed by the United States military in the late 1950s. Pluto was a intercontinental nuclear-ramjet powered automated nuclear bomber/cruise missile. Pluto used an unshielded nuclear reactor to help power its ramjet, which caused radioactive debris to spew out of its exhaust. The missile would fly at extremely low height at Mach 3, which would create a pressure wave powerful enough to destroy buildings. Pluto also had effectively no maximum range; it could fly for weeks at a time (and then when it does run out of fuel, it would come crashing down, spewing nuclear waste in every direction). To top it off, Pluto carried multiple nuclear warheads, allowing it to bomb multiple targets with almost no warning. Because of its extremely low operational height, Pluto would be effectively impossible to kill using conventional weapons; the only way to stop it was to drop nuclear bombs in its path. The project was canceled (after building the engine) when the brass began to realize that it was not a particularly good idea to build a doomsday device that the Soviets could copy, and the notion that Pluto was "too provocative". Pluto even appeared in The World's Worst Weapons, not because it was a bad weapon, but because it was such a horrific killing machine, with an individual Pluto being capable of killing tens of millions of people.
- The Cobalt Bomb is a truly nasty version of this. In short, it's a nuclear bomb (or more likely, lots of very large nuclear bombs linked to a single triggering device) containing extra Cobalt-59. Cobalt-59 by itself is non-radioactive, but the detonation bombards it with neutrons, turning it into the radioactive cobalt-60. The blast then flings the Cobalt-60 across the entire planet covering the entire thing in radiation. The estimated time it will take before it's safe to live life again is 105 years, and even then, cancer rates are going up notably; note that while this is comparatively tame, this is the whole world affected. anyone alive not in radiation shelter will be dying for a period longer than people can currently live, and an entire generation will live completely underground. Worse still, it's not just people who would be affected - virtually every living thing on Earth would die, with the possible exception of certain radiation-resistant insects and deep ocean species. In other words, even if anyone did survive, there'd be nothing to eat except contaminated dead stuff (or each other), and once that's gone, nada. This is essentially the type of device used in Dr. Strangelove, and possibly On the Beach.
- Some people are afraid that the Large Hadron Collider or LDH could potentially become one. In this article that lists five possible doomsday scenarios, it is a key component in three of them. (Of course, since the article was written I 2009, they've done a lot more research on it.)