Standard Sci-Fi Setting

"In the far future, the [human group] fights a pitched battle against the mighty [alien name] Empire, but deep in the mysterious [region of space], among the ruins of the past, a darker threat looms."

Does the above sentence sound familiar? It should. It's probably the single most popular Space Opera premise around. In fact, you could even call it the Standard Sci-Fi Setting. Typical features of the Standard setting include:

Technology:

• Easy faster than light travel. This comes in several flavors:
  • a Portal Network of "jump gates," "wormholes," or so forth, or
  • a web of Hyperspace Lanes spanning the galaxy, or
  • "warp drive," "jump drive," or some other kind of Faster-Than-Light Travel through Subspace or Hyperspace.
• Space Is an Ocean and the Standard Sci-Fi Fleet is sailing it.
• Thanks to the above tropes, trade between One Product Planets are common.
• Mystical/Metaphysical elements, generally including Psychic Powers, Life Energy, or something else similar to Functional Magic (usually associated with either Highly Evolved Human Aliens or Sufficiently Advanced Aliens).
• Very little, if any, of The Singularity, except possibly as a justification for Sufficiently Advanced Aliens. Humans themselves will almost never be post-Singularity. Transhuman Aliens and Ridiculously Human Robots will be subject to Fantastic Racism, possibly because there is No Transhumanism Allowed.

Population:

• Humans by Any Other Name, usually "Terrans".
• Neglectful (or outright Abusive) Precursors.
• An ancient and hidebound Proud Warrior Race Guy who may double as Scary Dogmatic Aliens. Their ships will typically be purple, green, or gold. If anyone has an Enemy Civil War ready to break out, it will be these guys. May experience an Enemy Mine situation with the Humans by Any Other Name if a common threat appears.
• A genocidal alien race that's either The Virus, Planet Looters from "beyond known space" or a full-on Horde of Alien Locusts. Rogue robots out to kill all organic life are another common variant. These guys are usually what wiped out the Neglectful Precursors. Their ships will usually be sleek and angular when they aren't organic blobs. Either way, their ships tend to be red, purple, black, or other "evil" colors. May provoke the other races into uniting against them.
• A wise/spiritual race decked out in Crystal Spires and Togas. These are often Human Aliens and/or Space Elves, possibly the Neglectful Precursors, if they're already extinct. Their ships will be sleek, but more rounded, and usually colored white, silver, or blue (gold or copper/bronze is rare, but acceptable). If there's a metaphysical aspect, these guys will be brimming with it more than any others. Bonus points if they have a rival sect called the "Dark" something.
• Space Babes, usually blue or green-skinned.
• The Greys or Little Green Men, the two most common type of aliens used due to them being from alleged-alien sightings. Their somewhat less common cousins, Lizard Folk, pop up from time to time. The former tend to be the Proud Scholar Race, while the latter tend to be the Proud Warrior Race.
• As many as a dozen other races of little to no consequence beyond certain characters or as background elements. May include Robots, aforementioned rebel/heretical sects, Alien Slavers, an Eldritch Abomination, non-locust Zombies, Robot Zombies, Robot Eldritch Abomination that command zombies, and on down the line.

Factions:

• The Federation, The Empire, or other space faring humans that fly big gray battleships and little gray fighters, and comprise the bulk of the Standard Sci-Fi Army. They have a good chance of being descended directly from the Neglectful Precursors.
  • A "rebel" faction fighting against one of these groups is a frequent option.
• Space Marines if the film was made after Aliens or the book written after Starship Troopers; guys with ray guns and tight outfits if before or homaging before.
• Oh, and Space Pirates. Space pirates are inevitable in such a setting.
• In some more recent works, one or more of the above factions might have "Incorporated" in their name somewhere, but they'll still be the same for story purposes.

Geography:

• There will usually be at least two distinct regions of space: a core region of densely populated and rich planets under the control of the Galactic Superpower, and the border region where you can find just about any type of world, from advanced ones nearly on par with the core to loosely populated desert planets with a single town on them. Mercenaries, pirates, rebels, powerful non-state groups, criminals, and various other unsavory types will exert a lot of influence in the border region, where law is much looser than it is in the core region. The Space Western is almost always set entirely in the border region. A middle region between the two extremes is optional.
• Beyond known space will be the unknown region where The Virus, the Horde of Alien Locusts, the Planet Looters, or what have you come from. Expect it to be poorly-charted, if at all, with the main characters having no idea what lurks beyond.
• The space-faring powers will divide their territory into sectors, each containing multiple star systems.
• Populated planets will be thinly spread around a disproportionately huge share of space relative to how many Earth-like planets would likely occupy such an area, with varying levels of justification for it.
• Single-Biome Planet abound, with supplemental material often explaining them away.

Plot:

• The Standard Sci-Fi History as Back Story.
• An epic Space Battle where the future hangs in the balance as a result of it, or leading up to it.

A typical plot involves the humans fighting the Proud Warrior Race Guys until one or the other stumbles upon the ruins of the Neglectful Precursor civilization and unleashes the evil third race. Then a bunch of people die, there are lots of cool explosions, and the first two races team up to take out the genocidal aliens. Usually they have to track down some Lost Superweapon and use it to destroy the alien queen/mothership/homeworld, thereby saving the galaxy... for now.

Examples come mostly from TV, Movies, and especially video games, where scientific accuracy often takes a back seat to awesome visuals and an engaging storyline. Compare Sci-Fi Kitchen Sink, which takes a Standard Sci-Fi Setting, then crams as many other Speculative Fiction Tropes into it as it can.

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Examples

Comicbooks

• Legion of Super-Heroes has a 1000-years-from-now setting that was so close to the Standard Sci-Fi Setting (at least until the threeboot) that you'd think it's clearly based on Star Trek had it not actually preceded Trek by a good 8 years. FTL? Original has warp drive, reboot adds Stargates. Threeboot isn't so stock, as transmatter gates have rendered spacecraft obsolete. The United Planets is The Federation (it was at least once erroneously called "the Federation of Planets"). Mysticism? Check. Not just psionics, but explicit magic, since it takes place in the Fantasy Kitchen Sink DC Universe. Proud warrior race? The Khunds, sometimes specifically based on Klingons. Alien hordes? Check. Space pirates? Check.
• DC Comics' Star Raiders graphic novel features one of this. Easy Faster-Than-Light Travel, Psychic Powers, Scary Dogmatic Aliens, The Empire, La Résistance, and lots of Epic Space Battles.

Film

• The Star Wars Expanded Universe is more or less the Trope Codifier in modern fiction. The films have an extremely light version of this, checking off the technology section, but mostly missing out on the population section (aliens are used for flavor but have little relevance), and being very light on factions (space pirates are shown to exist, but only matter in what side they take with the main two factions). The Expanded Universe fills out the rest, having stories where pretty much everything gets its Day in the Limelight, elaborating on a Proud Warrior Race through the Mandalorians, the Yuuzhan Vong being Scary Dogmatic Aliens from "beyond known space", and also giving much more relevance to side factions (including some corporations). Star Wars's EU was also among the most influential in shaping the idea of a rich and populous core space flanked by progressively poorer, less dense, and more rebellious regions, with the galaxy divided into the Core Worlds, the Inner Rim, the Mid Rim, the Outer Rim, and the Unknown Regions.
• Equally important is Aliens. While the movie lacks other alien civilizations and easy faster than light speed, it single handedly defined human culture, technology, military, and visual style for Standard Sci Fi Settings for decades to come. Babylon 5, StarCraft, FreeSpace, Halo, and Mass Effect are more or less directly based on this movie.
• The Marvel Cinematic Universe's cosmic stories, namely the Guardians of the Galaxy, Captain Marvel, Thor and later Avengers movies, are set in one.
  • Asgardians and Sovereign are the ancient wise Crystal Spires and Togas Human Aliens,^note Okay, the Sovereign have gold skin and eyes. with the former being a more sympathetic example (and having several primitive species as protectorates) and the latter being less so. Ultron's army are rogue robots out to kill organic life. The Nova Empire, despite its name, is The Federation where many species both primitive and advanced live together in peace. The Kree Empire is straight-up The Empire and quite brutal, while the Skrulls and unnamed others are sympathetic rebels to their tyranny. The Ravagers are the largest collection of Space Pirates and mercenaries in the setting (how sympathetic they are, and in particular whether they're anti-heroes or out-and-out villains, varies depending on the specific clan). Thanos's forces, which are composed of Always Chaotic Evil troops implied to be synthetically-created (like the Chitauri and Outriders), are the genocidal Planet Looters under the control of a Physical God Galactic Conqueror (other groups like the Frost Giants fill the "evil race" position to a lesser degree). The Dark Elves and their off-screen counterparts of the Light Elves are Space Elves. The lawless frontier where pirates, warlords, and corrupt nobles rule is epitomized by worlds like Sakaar. There are Loads and Loads of Races, and generally they're Rubber-Forehead Aliens distinguished from baseline humans only by their skin color and minor head prosthetics (though Humanoid Aliens and the occasional Starfish Aliens are shown to exist). The rarely-seen Watchers resemble The Greys and are the Proud Scholar Race. Ego, Dormammu, Surtur, and a few other entities to come share the role of the cosmic Eldritch Abomination. The Celestials are the ultra-advanced Precursors. The main protagonists of this subset of the franchise are a Proud Warrior Race Guy (Thor), a super-genius billionaire in Powered Armor (Iron Man), and a Han Solo-esque Lovable Rogue (Starlord). Earth exists as a Hidden Elf Village with disproportionate military power, and its inhabitants are referred to as terrans.
  • Space Is an Ocean is in full effect to the extent that ships are designed to ram each other and some of them literally look like boats. Standard Sci-Fi Fleet is only averted by the fact that no warships bigger than shuttles seem to exist besides carriers (which are very fragile and have few to no anti-ship or point-defense weapons, but carry lots of ground troops and fighters, as well as some weapons exclusively for orbital bombardment). Several of the films climax in a large Space Battle with a Standard Starship Scuffle. Modern Earth aircraft and weapons are totally sufficient to destroy the fighters and carriers used by the space civs. Plasma weapons, Laser Blades, monomolecular swords/spears, and so on exist alongside modern chemically-propelled firearms (in fact, the main armaments of most spacecraft we see appear to be autocannons and missiles). Functional Magic exists as both Psychic Powers and as a distinct set of abilities outright referred to as magic. Faster-Than-Light Travel is achieved via a Portal Network. Casual Interstellar Travel via small ships is a reality thanks to said network. Space Fighters that don't even use missiles are responsible for nearly every relevant combat action aside from bombing static targets. The Singularity is nowhere to be found in the setting, and the fact that the average Cosmic MCU citizen is an Insufficiently Advanced Alien is a small series-wide Running Gag (bits of Earth tech from an old Zune to an M249 are viewed as amazing technology, and blue collar Earth mechanics can improve on advanced alien technology with little issue).

Literature

• Star Trek may have picked this trope up from the older pulp science fiction like the Lensman series.
• The Saga of Seven Suns uses this, but it sometimes borders on Cliché Storm.
• The Uplift Universe of David Brin.
• Andrey Livadny's The History of the Galaxy series fits many parts of the trope. There's the Confederacy of Suns, the late Earth Alliance, animal-like Forerunners, easy FTL travel, Space Marines (although less of the Starship Troopers variety and more of the piloting Humongous Mecha kind), Space Pirates, and several Neglectful Precursors (many of whom are still around). There's a notable absence of Proud Warrior Race Guys and Crystal Spires and Togas. Rogue robots are the main theme of several novels (one novel deals with a completely automated gigantic alien mothership attacking a small human colony). There is only one race of Human Aliens, and they're blue.
• Pandora's Star does it brilliantly.
• Tour of the Merrimack fits this, with the US as The Federation, Palatine as the Proud Warrior Race at war with them, and the Hive as the Horde of Alien Locusts that forces the two into an Enemy Mine.
• The Humanx Commonwealth universe, with the titular Commonwealth as The Federation, the AAnn as The Empire with elements of Proud Warrior Race, scads of Precursors, including the Xunca as the Neglectful Precursors, along with their Lost Technology, and the galaxy-devouring Great Evil.

Live-Action TV

• Star Trek is one of the main sources of this setting and has used the basic plot for both The Next Generation with The Borg as The Virus and Deep Space Nine where they fought against the Dominion, not to mention countless one-off episodes that have used this plot to preach An Aesop of cooperation.
• Andromeda had The Commonwealth, the Nietzscheans, the Magog, and various Precursors. It was following the standard plot pretty well until the mysticism took over and it got weird.
• Stargate SG-1 - originally a planet-of-the-week adventure centered around the titular device, with not that much overall continuity - mutated into this slowly, picking elements over time (especially starting with season 6), although it took the addition of Stargate Atlantis to complete the transition. The Ancients are the Neglectful Precursors, the Wraith and Replicators are the genocidal planet looters or Planet Eater (and the former wiped out the Ancients), the Tau'ri (us, modern Earthlings) are the spacefaring humans with grey ships, and the Jaffa are Proud Warrior Race Guys serving the Goa'uld, a race of Scary Dogmatic Aliens.
  • The Stargate-verse differs from the Standard Sci-Fi Setting in a number of ways. First and most importantly, the characters are mostly modern Americans, and all the high-tech stuff is unknown to the general world simply because of a Masquerade. Morality is more black and gray than in many Sci-Fi settings because the military often has to Shoot the Dog. This is almost unique in that most of the protagonists are Genre Savvy. However, by the end of the series Earth basically is playing the role of The Federation, thanks partially to the Very Neglectful Precursors and partially to Earth's role in freeing the Proud Warrior Race Guys from millenia of slavery.
• Babylon 5:
  • The series starts out with the Narn as the Proud Warrior Race Guys, The Minbari as the Closer to Earth race, and the Shadows and Vorlons being both the Neglectful Precursors and the Planet Looters at the same time, in varying amounts.
  • It's worth noting that B5 sets the clichés during the first season and then proceeds to Deconstruct them in short order. The Narns mellow down considerably, the Minbari demonstrate serious flaws and hypocrisy, the Centauri who initially seemed to be ineffectual comical figures develop a darker edge, and so on. The less significant races keep to their clichés pretty tightly, though - the Drazi, for example, demonstrate the Proud Warrior Race traits quite a bit, when the Narn set them aside.
  • The dark side of the Minbari is shown almost right away though they always have an attractive side as well as a dark side and the Narns don't really mellow although G'kar does (they simply change from the would-be Empire into The Revolution Will Not Be Civilized). The Minbari curiously are both a Proud Warrior Race and a Proud Scholar Race. The Centauri are a big surprise; no one would expect them to be good enough at fighting to be brutal conquerors anymore. EarthGov is a surprise; we expect it to be The Federation and instead it evolves into a Police State, but with the twist that it is an isolationist and nativist Police State rather than The Empire, and spends more time suppressing internal rebellion then in aggression. Interestingly most of the characters including the command staff and all the main ambassadors at one time or another end up as La Résistance to their own government in various ways and degrees. The Vorlons are a real surprise, turning out to be almost as evil as the Shadows except for Kosh. The Shadows follow the generic description above almost exactly, being the Sealed Evil in a Can that forces leaders from other races to form The Alliance.
• Firefly is arguably a Standard Sci-Fi Setting adapted to fit closer to the realistic end of the Sliding Scale of Realistic vs. Fantastic. It clearly has many of the elements, as listed below, but lacks the more fantastic ones like aliens.
  • There's no faster-than-light travel, but it's still easy to travel between dozens of inhabited planets and moons.
  • Space Is an Ocean
  • Psychic Powers: River.
  • The Alliance and the Independents.
  • The Virus: Reavers, who come from the edge of known space and turn some of their victims into Reavers.
  • Space Pirates: commonplace.
  • Epic Space Battle where the future hangs in the balance: the series was seemingly slowly building up to this before it was cancelled. The movie does give us one.
  • Mega-Corp: Blue Sun.
  • Plot: a couple of defeated Independents try to make a living away from the Alliance and stumble across a girl that was experimented on by the Alliance who leads them to discover the ruins of an abandoned planet where nearly everybody died because of an Alliance experiment, but which also turns out to be the origin of the Reavers.
• Some of the future in Doctor Who. In particular the Dalek Wars where The Alliance, including Earth, is battling the Dalek Empire (the ultimate Scary Dogmatic Aliens), and the First Earth Empire period, with the Earth Empire as The Federation and the Draconian Empire as The Empire. It's a bit of a different angle, since we see the setting from the perspective of a not-so-neglectful member of the Neglectful Precursors.

Tabletop Games

• Warhammer 40,000 is something like this painted black and covered in skulls, with a lot more races, a great deal of Gothic Punk and a heaping helping of Cosmic Horror Story.
• Rifts's Phase World setting. The Consortium of Civilized Worlds is The Federation, the Transgalactic Empire is The Empire of Scary Dogmatic Aliens, and the Crystal Spires and Togas are handled by the United Worlds of Warlock. Any examples of The Virus or Planet Looters are, for the time being at least, nascent and/or lying in wait.
• Fading Suns uses a setting which falls nearly exactly into this trope. The extinct Ur have littered space with floating portals that allow for travel ans strange technologies, the Known Worlds are United under the new Phoenix Emperor, harboring numerous races amongst the humans. The Vau are the wise race living in their own world outside the empire. And constantly straining to get in the Empire are the Symbiots, a metamorphic plague/virus/infestation. Of course, space pirates, political conflicts and psychics manifestation abound.
• Traveller has many fairly familiar tropes: Ancients as Precursors, Solomani as humans "classic", Vilani as Venerable Race, Zhodani as Psionic Race, Aslan as Proud Warrior Race, Vargr as Space Pirates, and the Imperium as The Federation.
• Scum and Villainy. Let's see how many points we get: Casual Interstellar Travel via a Portal Network? Check. Space Is an Ocean? Check. Psychic Powers drawn from the Background Magic Field? Check. Humans as the dominant species? Check. Neglectful Precursors? Check. Rubber-Forehead Aliens and Ridiculously Human Robots? Double check. The Empire fielding a Standard Sci-Fi Army? Check. Space Pirates? In spades. Galaxy-spanning Mega Corps? They call themselves "Guilds", but otherwise, check.

Videogames

• The Halo games have less of a mystical bent than other examples (though the Precursors might count), but otherwise fits perfectly. The Covenant are the Scary Dogmatic Aliens, The Flood are The Virus, The Forerunners are the Neglectful Precursors, and both the Covenant and the UNSC have their own versions of the core and the border (Inner/Outer Colonies for the latter, Covenant Core/Covenant Fringe for the former), with everything beyond their small chunk of the Orion Arm functioning as the unknown regions. The plot is largely as above.
• FreeSpace: The Terrans play this trope completely straight, but while the Vasudans certainly fit the Proud Warrior Race stereotype, the xenocidal Shivans are slightly anamolous. Whilst certainly Color-Coded for Your Convenience, from beyond known space, and responsible for wiping out the (downright maliciously imperialistic) Ancients, the Shivans are neither The Virus, a Horde of Alien Locusts, nor Planet Looters. They don't bother with conquest, looting, or assimilation, all they care about is getting to the xenocide. FTL drives are both subspace drives and require a Portal Network of jump nodes to travel between systems. There is a total lack of any metaphysical aspect or aliens aside from the core 3 races. Aside from those minor details, it's a Standard Sci-Fi Setting.
• Starcraft is set entirely in the relatively limited Koprulu sector of the Milky Way. The terrans are the humans, the protoss are the Warriors and the Higher-Tech Species, the zerg are the Horde of Alien Locusts crossed with The Virus, and the Xel'Naga are the Precursors. Psychic Powers are everywhere. The terrans are mostly ruled by first the Confederacy and then the Dominion, both of which are cruel empires that the main terran hero eventually overthrows. The other terran factions are the Kel-Morian Combine (Mega-Corp that independently rules planets) and the Umojan Protectorate (The Republic and nicest faction of terrans), with Space Pirates plaguing the border territories. The protoss have the standard three-way Space Elves division of High (Khalai), Wood (Nerazim), and Dark (Tal'darim). The zerg are divided between the main Zerg Swarm (starts as Space Locusts under the Overmind before making a Heel–Face Turn under Kerrigan and Zagara), Amon's Swarm (a straight example of Space Locusts to the end), the Primal Zerg (distinct subspecies of individualists), and the feral zerg (broods that operate on little more than an animal intelligence, The Usual Adversaries for all the other factions in the sector). FTL travel is done casually via warp drives. Hundreds of other species are occasionally referenced as existing in the sector under the watchful eye of the Khalai Protoss, but they're implied to be non-spacefaring and therefore play no role in the plot. The plot is as described, with the protoss and terrans starting in conflict before becoming allies against the zerg, and all factions of all three races eventually allying against both their own worst members and the Eldritch Abomination Amon, who has his army of mind-controlled Slave Mooks destroyed before he himself is killed with a Lost Superweapon of sorts. The novels/comics/DLC set after the main story has most of the factions maintaining an unsteady peace.
• Galactic Civilizations used this as part of its "nothing you haven't seen before" approach to game design.
• Mass Effect, with the network of jump gates (though they can still use Alcubierre drives to pull several thousand times light speed without jump gates), mass effect fields as the Applied Phlebotinum of choice, the Reapers and Protheans sharing the role of Precursors, the krogan as proud warrior race, the salarians as proud scientist race, the geth and Reapers as the genocidal aliens (with a hint of Cosmic Horror), and the asari doubling as both psychic Space Elves and an entire species of blue-skinned space babes.
  • It's the perspective of many that humanity is the come-lately Proud Warrior Race Guys. They're trusted enough to be considered for the Council and Spectre membership, but not that much more than the krogans.
  • Also, since the game features Husks (human corpses impaled on evil technology spikes that turn into mindless ever-attacking robots) as the basic frontline unit of the Reapers, the Reapers actually are Robot Eldritch Abominations that command zombies.
• Freelancer is kinda like a conspiracy story with Casual Interstellar Travel, Space Clothes to some degree (mostly the LSF uniforms), and genocidal aliens who come to claim back their old turf. There are no Psychic Powers though, and the closest thing to The Federation are the four Houses that are kinda like our countries.
• Halo's forerunner, Marathon, decides to mix things up. You have the so non-proud warrior race/Alien Slaver Pfhor, then the indigenous Flick'ta replaced the planned fungal zombies, and an Eldritch Abomination shows up in the final game. The S'pht and their long-lost cousins Enemy Mine with the humans to take on the aforementioned threats. Other than the above alterations, the plot pretty much follows the above description to a T.
• Sins of a Solar Empire. The Trader Emergency Coalition (or TEC) is The Federation, The Advent have Psychic Powers, Vasari are Planet Looters, and there's Space Pirates and easy faster-than-light travel, by means of "phase jumps" along "phase lines" in "phase space." Most beyond that is uncertain, since the developers decided to drop a campaign in favor of better multiplayer.
• The Star Control universe does all of the above both straight and with a light-hearted tone.
• Sword of the Stars has a wealth of this, although it plays with a lot of them, like different races using different faster than light drives (all the standard methods are used, but by different races) and a wealth of background information on the different races and their inner workings that would put several sci-fi TV series to shame.
  • Proud Warrior Race: Tarka, within reason
  • Bee People: Hivers, with a complex and intricate society of independently conscious but very family-oriented eusocial insectoids.
  • Spiritual Race: Liir, so pacifistic their military is composed entirely of sociopaths who will annihilate your entire species if they deem you a threat.
  • Precursors: Morrigi, who used to come to earth to trade trinkets with the cave-dwelling locals (and inspire myths of dragons) and are just now coming back from near extinction.
  • Planet Looters: Zuul, they'll also take slaves for labor or Mind Rape. Unless they're the faction in the second game who've joined with the Liir.
  • Eldritch Abomination: Suul'ka, who are actually extremely old Liir who've grown so big their tentacles can bisect dreadnoughts
  • Psychic Powers: In particular the Liir and Zuul, form a whole branch of the tech tree in "2".
• Lovingly parodied by Gratuitous Space Battles; the back story is pure fluff, used as a tongue-in-cheek excuse for the eponymous space battles. The main thing it lacks is the wise Crystal Spires and Togas civilization: the Tribe comes close, but they're Well Intentioned Extremists, just as violent as everyone else.
• The Wing Commander series is all about this. Initially it's the Terran Confederation versus the Kilrathi Empire, but in the fifth game the Horde of Alien Locusts shows up.
• Escape Velocity Nova is no exception to this trope. The main twist is that all the major factions are human (no GSSBs, Greys, or lizardfolk). There's also no Horde faction, and since the game takes place entirely in space, Space Marines are present but largely ignored. As for the precursors, little remains of their leavings and even less is understood; they're just gone.
• Supreme Commander: The UEF are the standard The Federation, the Aeon are high tech Church Militant, the Cybrans are cyborgs, and the Seraphim are the aliens. They all have Humongous Mecha, and teleport via quantum physics.
• The Endless Universe of Endless Space and Endless Legend. The very core of all civilizations revolves around a substance called Dust which were created eons ago by the Endless, and is used for almost anything. From building cities, creating new technologies, to a form of currency. It features multiple races of every alignment and ideology, including sentient robots and Silicon-Based Life.
• Stellaris, likewise, lets you craft your own variation on the Standard Sci-Fi Setting. Humans are available in two flavors, the democratic, egalitarian United Nations of Earth and the Commonwealth of Man, a fascist Lost Colony inspired by Starship Troopers. Most of the pre-made alien empires fit into one of the categories listed above, and likewise, you can create your own alien species from scratch — including a Hive Mind or a race of robots (both available in assimilationist or genocidal varieties). The fallen empires, small and stagnant but extremely technologically advanced, serve as your precursors, and one possible origin for your empire has them being uplifted by a fallen empire. The Megacorp expansion lets you play as just that, and the Apocalypse expansion lets you play as Space Barbarians while introducing "marauder" clans that can unify around a Great Khan. One of the ascension paths has you tapping into your species' latent Psychic Powers. And the three endgame crises are all you classic "darker threats looming" — a Bug War, an ancient AI reawakening, and extradimensional invaders.

Webcomics

• Zap! has a fairly similar setting. Aliens (almost all humanoid), psychics, A.I.s with very human-like personalities, an Empire (in all but name), a Government Conspiracy or two, Space Pirates, lost technology, Mad Scientists and Bungling Inventors, a hot redhead, etc, etc.
• Buck Godot: Zap Gun for Hire takes place in a setting very similar to this, except Humans are relative newcomers to the Gallimaufrey and only become notable due to their possession of the Winslow. Oh, and their invention of the popsicle.

Web Originals

• Averted/subverted in Orion's Arm, which tries to be a hard sci-fi setting without sacrificing any of the appeal of the more traditional Space Opera. The result is a transhumanist setting ruled by godlike Artificial Intelligences called Archai, which have experienced not one, but several Singularities and rule over their lesser subjects like benign deities. Advanced nanotechnology and relativistic spaceflight are commonplace, and while true FTL is impossible, wormholes and Reactionless Drive technology have been created by the Archai. Creating Life is also not that hard, and baseline unmodified humans represent only a tiny part of the extremely diverse terragen (originating-from-Earth) civilization composed of genetically modified transhumans and sentient animals and sentient human-animal hybrids, cyborgs of all kinds, sentient robots, and several kinds of infomorphic lifeforms. And that's just the lower toposophic (read: number of Singularities crossed) levels, before you get to the various planet-sized AIs, Dyson Sphere-sized AIs, and the wormhole-based AIs that are the higher toposophic beings (the 'godlings' and full godlike Archai). And that's just the terragens, not counting the handful of very alien aliens that the setting features. Basically, any technology or lifeform that isn't banned outright by physics is in there, somewhere.

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