Hard Science

Didome

A planet where the day lasts almost half an Earth year, and human civilizations have adapted to the unique climate.

Hard Science Medieval Science Fiction Speculative

Wouraiya

An archipelago of island-continents, each with its own governance, culture, and economy. Traditions and resources determine the fates of wars and peaces well before the battles themselves take place. Designed for a grounded experience, each species i...

Exploration Fantasy, Low Magic Hard Science Medieval Military

Parastellis

The future is a strange, yet familiar place. Humanity has achieved its dream of space colonization, going interstellar with wormhole stargates. Over a century after a terrible dark age ended, civilization enjoys an age of peace united in the Stellar...

Exploration Hard Science Political Science Fiction Space Opera

Shelder

The "perfect" Earth clone... only 23 million light years away! Planet Shelder. Four billion and a half years of evolution to get here, now: explosive bio-diversity ranging from the micro to the macro. Danger lurking behind every c...

Exploration Hard Science Science Fiction Speculative

Okanverse

Three thousand years have passed since Transhumanity was abducted from the known Universe, and cast into the the Bulk. The Local Habitable Nexus is a cluster of universes situated in a fortunate region of hyperspace that can support familiar forms...

Cyberpunk Hard Magic Hard Science Science Fiction Space Opera

Blue Way

Blue Way, our first laser highway, is complete and more, to other stars, are in construction. We made it far into to the darkness, but we are still only dipping our toes in the deep cosmic ocean and who knows, what lurks in the deep.

Atompunk Exploration Hard Science Science Fiction Speculative

Tamyrh

Welcome! Here on World Anvil - "Tamyrh", you'll have access to my world-building bits, side-stories, timelines, maps, notes, and all the other details that form the foundation for the adventures of Nash...

Cyberpunk Dystopia Hard Science Political Science Fiction

Kreid Fleet

[p]The year is 2211. For almost two centuries now not just mankind, but all life on Earth, has been at war. This is not a war of victories and battles, but one of survival, for mankind's hubris has turned the planet's weather into a devastating, rava...

Dystopia Hard Science Post Apocalyptic Solarpunk Speculative

Andalusada

As far as the world is concerned, today is 22 Nisan 5690, the final day of Passover. Today is 20 April 1930, Easter Sunday. Today is 22 Dhu'l-Qi'dah 1348, a day for Muslims to ignore the ulama, bring dessert to someone else's holiday, and get drunk....

Alternative History Dieselpunk Hard Science Political Speculative

The Simulation Hypothesis

If we do not survive to the posthuman stage, to Aetherium, then we are the reality. We achieved Aetherium. If we do not run full universe simulations, the Final Simulacrum, then we are reality. We ran the Final Simulacrum. If we fulfill...

Exploration Hard Science Science Fiction Space Opera

S.A.V.E.

Cyberpunk Hard Science Post Apocalyptic Science Fiction Speculative

Life Under Four Suns

[aloud]My personal project for competing in WA Summer Camp 2020.[/aloud] [container:callout]This setting proudly uses the [world:d4935f8e-1685-4104-a8e9-4301e1f150f2] for it's campaigns![/container] [quote]Basht slammed the ship controls forward....

Hard Science Science Fantasy Western

Wynn, Gavel, and the Sea of Cordal

The UCVN has been to thousands of universes, growing in power, population, and technology with each new expedition. Even when faced with moral dilemmas and determined foes, the UCVN is dedicated to creating a better world for each sapient species the...

Exploration Hard Magic Hard Science Military Transhumanism

The Colossuss Galaxy

Far from the limits of our universe, far from all things you could think about, and far away in the massive black thing that space is, theres a spot, called the Colossuss Galaxy, in which races, exotic planets and even dark obscure things happen dail...

Hard Science Military Political Science Fiction, Modern Space Opera

Diaspora

The Diaspora is an exploration of humanity’s future within the local stellar group. The various projects set within the universe explore humanity’s path to the stars and their interactions with the oth...

Exploration Hard Science Science Fiction Speculative

Universe: 68: Halorus

Halorus exists in The Divide for the Originals

Fantasy, High Magic Hard Science Modern Science Fantasy

White Reach

Overview In the distant future, mankind has gone to the stars, and taken war with them. As they spread out across hundreds of star systems, a unifying presence came to exist with the Star League. From Terra, the First Lord was supposed...

Hard Science Mecha Military Political Science Fiction

Opposition: Mars

They say Mars is the graveyard of ambitions. Partially terraformed and populated largely by tribes of genetically modified colonists, one might wonder why the nations of Earth have any interest in a hostile planet like Mars. For a diverse group of No...

Hard Science Military Political Post Apocalyptic Science Fiction

Arcverse

The Arcverse is a fictional version of our own universe heavily based in scientific fact and plausible speculation. The canonical history of the Arcverse stretches from the Big Bang that began the universe to the final extra-universal migration of al...

Exploration Hard Science Science Fiction Space Opera Speculative

WoD: After the Fall

The fifth possibly final fall of man, the one prophesied by gods and by billions of mortal men and best has come and gone. Worlds destroyed or left in ruin, inter races wiped out or on the brink of extinction. Yet we have recovered. On the ruins...

Cyberpunk Hard Magic Hard Science Post-modern Science Fantasy

Maanra Theta

The year is 3200. Humanity is scattered like dust among the stars. The broken relics of a former day litter the sky and men and women struggle to rebuild the glory of humanity’s lost golden age. For almost a thousand years humanity had expande...

Hard Science Modern Science Fiction Science Fiction, Modern

Patron Saints

Space is a wide, wild place. Sometimes, the lines between good and evil are blurred and you have to start wondering: are the monsters right?

Hard Science Science Fiction Science Fiction, Modern

Earth

This is the Earth in the year 2034 AD. This world was created for the Tale Foundry competition.

Hard Science Horror Science Fiction, Modern Supernatural

After Earth

In the early 1970s, scientists warned of the consequences of climate change. Greenhouse effect, polar ice melt, droughts, dying forests and storms. But these warnings were dismissed as scaremongering or ignored. Even at the beginning of the 2...

Hard Science Science Fiction, Modern

The Sol System

Hard Science Science Fiction Space Opera

Davel

Exploration Hard Science Science Fiction Science Fiction, Modern Speculative

Tourmaline

My story spans multiple dimensions, Tourmaline is one of them. It is made up of a world roughly the same size as Earth. Its year is 13 months long, with 28 days in each month. This world has two moons, one of which would be considered 'normal', which...

Clockpunk Dieselpunk Fantasy, High Magic Hard Science Military

The Seas of Steel

The Seas of Steel. An inhospitable, global ocean, surrounding the continent of Valemar. Few can navigate the windy sea, with its forbidding currents and deadly inhabitants. But some don't have a choice. Some must navig...

Fantasy Hard Magic Hard Science Medieval

[Our] Stellar Exodus

https://stellarexodus.com/ (free-to-read)

Cyberpunk Dystopia Hard Science Political Science Fiction

Reborn Stars

For millenia, the galaxy was empty. Its previous inhabitants wiped out, their monuments razed, leaving barely a trace behind. All that is left of their greatness are a few precious scraps for the next generation of species to squabble over. The galax...

Hard Science Political Science Fiction Speculative

Orion Spur

Adult 18+ Cyberpunk Hard Science Horror Science Fiction

Licentia

[quote] Our zombies are different!|Literally every writer ever[/quote] Welcome to the landing page for everything related to this world! Please be aware that some content on both my twitter accounts and this website might be graphic, so considering...

Biopunk Hard Science Political Post Apocalyptic

Deep Space Pioneer

Dans un lointain futur, l'Humanité s'est étendue à travers les étoiles, conquérant de nouvelles terres d'opportunités et rencontrant de nouvelles races aliens dans le processus. Mais profitant...

Hard Science Science Fiction Space Opera

Revel

Hard Science Science Fiction

Alt Earth

Hard Science Military Science Fiction

PARROTverse

The PARROTverse is what may become of this world. Not what will become, but what may become. The PARROTverse is set in a possible future, where space travel and smuggling are rampant and often combined. Many political conflicts over hundreds of ye...

Hard Science Modern Political Science Fantasy Space Opera

The Sealed Kingdoms

In the far-away region of IC 1848 - also known as the Soul Nebula - lies a sphere of inhabited space measuring roughly 100 light years across. This region is known as the Sealed Kingdoms by those who live there - 'sealed' both for the envelope of ga...

Cyberpunk Exploration Hard Science Space Opera

Paradigm

Someone once told me that we tell only the stories that are memorable, the stories that have novel experiences and interesting conclusions. It wasn't until much later in my life that I understood what that stranger meant. We may consider life mundane...

Exploration Fantasy Fantasy, High Magic Hard Science Political

The DRUniverse

What do you get when you cross George Miller cosplayers, a low fantasy kingdom, god knows how many mercenaries and a bandit problem? Apparently this. The DRUniverse is a strange multimedia shared universe, set in a post-apocalyptic/low fantasy world...

Fantasy, Low Magic Hard Science Post Apocalyptic Science Fantasy

Aetherverse

Set in the year 2550, Humanity has spread out across the stars colonising countless worlds. Yet all is not perfect within Human society. Disillusioned with the United Earth Government, many factions have risen in rebellion looking to take back contro...

Hard Science Science Fiction

Mavuzog-Sektor

1110 nach der Gründung des 3. Imperiums. Während sich das Imperium in kleineren Koloniekriegen verliert und die Wunden des Solomani-Krieges leckt, geht im Outer-Rim das Leben weiter wie bisher. Die Probleme der Core-Welten sind weit entfernt und ein...

Hard Science Science Fiction Science Fiction, Modern Space Opera Surreal

Gaia

This is The World of Not Final Fantasy, Not Not Final Fantasy and Not Not Final Fantasy — 2. [p]At the dawn of Gaia's history, a war of extreme consequences took place; by the end of the war, the aetherial sea...

Fantasy Fantasy, High Magic Hard Magic Hard Science Supernatural

The Influx

It's been two months since The Influx. No one was prepared for the world to get flipped on its head; magic, psionics, technology, aliens, and ancient whispers collide to create a new mess for all of the races and species in this galaxy to figure out...

Cyberpunk Hard Science Science Fiction, Modern Superheroic

Emergence

The mysteries of space unfold to the citizens of the Galactic Planet Federation. Nearly 200 years ago, humankind discovered the great power of warp travel. With this, they set out upon the stars to explore the last great frontier. Corporations a...

Hard Science Science Fiction Space Opera

Tales from Night City

Crime Cyberpunk Dystopia Hard Science Science Fiction

Triad: Operation Spearhead

[quote] The universe is big. In the Milky Way Galaxy alone there are millions of stars, with millions of planets orbiting them. We know that at least some of them must harbor life, and that at least some of that life must be intelligent. At least som...

Exploration Hard Science Military Science Fiction

Gaius

SENTENCE: Prelude wants to retrieve the time sword from the temple of time before the next planer alignment in order to bring the Society for the Advancement of Human Biology into the present day...

Biopunk Fantasy Hard Magic Hard Science MagiPunk

Valendore

A long time ago, nothing was nowhere. That means nothing happened. But it still happened. Like I said, nothing was never anywhere. That's why it's been everywhere. It's been so everywhere you don't even need a where. That's how every it gets. Then al...

Ancient Fantasy Hard Science Medieval Sword & Sorcery

Isaac Atomic Solar System

The year is 2247. The solar system has long since been colonized with a total population of around 23 billion, but most people still live on earth, around 20 billion of them. Mars long ago separated from earth, and the gas giants have formed together...

Hard Science Science Fiction Speculative

Treiach

A lush, earthlike planet sitting smack dab in the goldilocks belt of their solar system. With a mass almost three times that of earth, and a radius of almost 9000km, one will find there a lot of planet to explore. However, almost 80% of the surface i...

Biopunk Clockpunk Dieselpunk Exploration Flintlock

Vincosa

Vincosa is a Future-Tech Science Fiction project created by EpicToaster1. It is a collection of various nations and entities living within the Vincosa Galaxy. The Vincosa Galaxy is located 720 Million Light Years away from the Milky Way Gal...

Hard Science Science Fiction Space Opera

Gala Supercluster

Cyberpunk Hard Science Military Science Fantasy Space Opera

Theta Rho

A sector of the Stars Without Number universe from the Sandbox Crew Podcast.

Cyberpunk Exploration Hard Science Political Science Fiction

Xyllae Chronicles

[quote]Two possibilities exist: Either we are alone in the Universe or we are not. Both are equally terrifying. -Arthur C. Clarke[/quote] Life...the uncertain idea of whether Earth was the only planet to support any had plagued and terrifie...

Exploration Hard Science Political Science Fiction Space Opera

Sol

Inspired by shows such as The Expanse (SyFy) and Altered Carbon (netflix). A series of technological breakthroughs led to humanity settling on Mars in 2030, and thus finally becoming a multiplanet species. Over the next three generations Mars woul...

Hard Science Political Science Fiction Science Fiction, Modern Space Opera

Project : Eden

Hard Science Science Fiction

Aetherverse

The Aetherverse....is it the past? The present? The future? Who knows, no one knows... It is a distant galaxy, or maybe just an alternate universe? It isn't our Milky Way that's for sure. The Aetherverse is a galaxy full of wonders, the tech...

Hard Science Military Science Fantasy Science Fiction Speculative

Angaran Expansion Project

The angara from Bioware's Mass Effect: Andromeda are a fascinating race. However, our meeting with them takes place so quickly and during such a complex series of events that there would have been a lot of confusion and missing information... Where w...

Fanfiction Hard Science Informational Science Fantasy Science Fiction

Long War

Contrary to humanity's expectations, neither leaving Earth nor expanding throught the Galaxy could change human nature. When Mankind expanded throughout the stars, its problems expanded as well. Both in number and in scale. Most of them will...

Dystopia Hard Science Political Science Fiction Space Opera

15th Realm of Secrets

Welcome to the 15th Realm of Secrets (15ROS for short). In this magicless sciency themed fantasy world you will leaf through my pet project fictional world with many creatures, nations, peoples, environments, histories, cultures and more. From the ha...

Ancient Fantasy Hard Science Military

The Timeworn Weald

Exploration Fantasy Hard Science Oriental

Athena Minerva

A slight alteration in the history of mammals causes a subtle but powerful shift in human societies far into the future. As early human women are much more likely to survive childbirth, (and perhaps a bit more self-centered than the human women of P...

Adult 18+ Cyberpunk Hard Science Science Fiction Solarpunk

Terra - Ragnarök

Two comets rained down on an unprepared Earth. Economies, whole society in ruins, civilization barely held on as millions die and more do following the extreme conditions. The survivors, members of twelve different sapient species struggled through t...

Exploration Hard Science Post Apocalyptic Science Fiction Science Fiction, Modern

Known Space

Known Space is roughly 60 to 80 light years in diameter ,depending on the eras, and centered on Sol. Known Space is made up of thousands of stars of all spectral classes, a corresponding number of planets, uncounted moons, planetoids, and comet...

Cyberpunk Hard Science Science Fiction Space Opera

Xeno-IV

Cyber-Organic Planet Originally Roamed the Jarowins. They were a smart race constantly creating and building. They built a Cyber Race, they Called them Exo's. Together as Man and Machine they built together for thousands of years until a plague. The...

Cyberpunk Exploration Hard Science Military Political

Reality Layer M70263N472740E191432

Cyberpunk Hard Science Military Science Fiction, Modern Sword & Sorcery

Era'guya

What if you knew how things came to be? What if dragons, gods and men are lost toys dropped in a box by a fickle superpower? What if the dirt was magic? What if you were dropped in this world with no context and no way home? Era'guya is a world wh...

Adult 18+ Alternative History Ancient Atompunk Biopunk

Kaminar

A dystopian future involving an authoritarian police state, pervasive surveillance, cyberpunk elements with commonplace artificial body implants, and immoral political machinations. Freedom is the antithesis of happiness in a state that has relinq...

Cyberpunk Dystopia Hard Science Science Fiction

Sector Lyonesse Delta

Cyberpunk Exploration Fantasy, Dark Fantasy, Urban Hard Science

Talifar

Talifar is the setting for the Tales From Talifar novels. In development for over two decades from the mother-and-son team of Josh Foreman and Rose Foreman. Rose is a science fiction / fantasy author and writing teacher. Josh has been building worlds...

Fantasy Hard Science Science Fantasy

Xahverse

In a not-so distant future, humanity faces either it's greatest threat, or its greatest potential. From their ice-bound home world, the genetically engineered people of the Federation of Xah have spread through out their galaxy, convinced of their ow...

Hard Science Post Apocalyptic Science Fantasy Space Opera Transhumanism

Bartugk

Die Welt entstanden aus der Gnade der Götter Bartugk ist eine Welt, die von den Göttern geformt wurde - manchmal im Guten und manchmal im Schlechten. Viele Kreaturen bewachen wertvolle Schätze, andere sind geschaffen um der Menschhei...

Fantasy, Low Magic Hard Science Post Apocalyptic Science Fantasy

Tales of the void

Hard Science Mecha Science Fiction, Modern

The Knight & The Faun

"The world, modern Earth as we know it, has ended in catastrophe after a failed experiment tore a hole in spacetime. But rather than usher in an apocalyptic age, a group of the world's best and brightest combined their powers and ascended to what can...

Dystopia Fantasy, Low Magic Hard Science Post-modern Science Fantasy

Disparity

The midpoint of the twenty-third century has passed. After the advent of FTL travel and the resulting rush for the stars, the galaxy is beginning to settle into a tense political climate, with its powers divided among three major players: The Federat...

Hard Science Science Fiction Solarpunk Space Opera Speculative

Nekimwa

Ancient Hard Science Science Fiction Speculative

Wayfarers Universe

The Wayfarers Universe is a science fiction setting that follows the trials and travels of the Szassar, a race of space-faring reptilian hexapods who are rebuilding their civilisation after succumbing to an intellect-sapping extra-terrestrial phage....

Hard Science Post-modern Science Fiction Science Fiction, Modern Speculative

Galaxy in Eclipse

Adult 18+ Hard Science Science Fiction Space Opera

Eternity is not Immortal

Nothing is truly immortal, save that which we leave behind us, written into the sands of time. Eventually the winds pick up those sands and blow them around the world, sometimes they will be obliterated by the footsteps of later and greater beings, b...

Dystopia Hard Science Mecha Military Political

Life

Life is a mid- to late Renaissance based fantasy world hinging on principles of hard science, science magic, and hints of steampunk, dark fantasy, and dystopian speculation. With humans far past their prime, the volatile event that led...

Fantasy Hard Science Medieval Science Fantasy

Allwanduir

Allwanduir is a small planet beyond the limits of the observable Universe. It is part of a solar system consisting of only three planets, of which one is almost a twin to Allwanduir, and the second one a gas giant. They orbit a small star. The pla...

Exploration Hard Science Science Fantasy Science Fiction Science Fiction, Modern

Agilerons: A Space Combat Thriller

This is a Sci-Fi universe that is centered around a couple of characters before, during, and after a massive war raged between the human race and a race called the Cliv'afal. The war destroyed multiple worlds and caused rapid expansions in the techno...

Hard Science Military Science Fiction

Obsidian

After 5000 years of human civilization, humanity has finally claimed its rightful place among the stars. But not all is well in their secluded corner of the milky way. The Splinter group of Noctra has been rampaging through known space, taking system...

Hard Science Political Science Fantasy Science Fiction Young Adult (YA)

Dystinghiest

The people of the world of Dystinghiest are divide into two groups rascally Humans and Demons. To simplify any creatures who are intelligent and capable of speech in some form falls into one of the two categories. Monstrous races seen more as beasts...

Fantasy, Dark Hard Magic Hard Science Supernatural Sword & Sorcery

Imrai

Magic comes at a cost. After the First discovered the initial seams of otherworldly power, they very quickly began to utilize it in every aspect of their lives. They didn't learn of the cost until too late, after their entire societal structure had...

Fantasy, Dark Fantasy, Low Magic Hard Science Science Fantasy Steampunk

Twinsverse [tbd]

Some fantasy requires a whole new world - and sometimes, fantasy is just what lies out of sight, beyond our star and the iron curtain pulled tight by hard-lined gods. Twins Life and Death, they regulate where celestial force meets Earth, monitoring t...

Alternative History Fantasy Fantasy, Dark Fantasy, Low Magic Hard Science

Imou

The world of Imou primarily consists of two continents: Alomund, the birthplace of civilization, now a continent divided Equan, the new land, now threatened by their own creation. Mana is the driving force of this world, but it may be causi...

Hard Magic Hard Science Science Fiction

Dynasty of Magic

Magic - a mystical and powerful force. It is a word used when the impossible happens, and no explanation exists. Magic is the cause; impossibility is the effect. But humans are nothing if not curious. How did we get to this point? What are the f...

Hard Magic Hard Science Political Science Fantasy

Caani Sector

A far sector colonized in the beginning of the first wave due to favorable metadimensional currents, Caani was closed off from the rest of the galaxy when these waves shifted. Shortly into the second wave these planets were found by a survey ship, ve...

Hard Science Science Fiction Space Opera

The Drums of Atlant

The Drums of Atlant takes place on a future Earth, or Terra as it is generally called by that time, starting in the year 2048. On Terra a culture of science has developed out of the ashes of a near-miss of a world war that almost became a nuclear war...

Exploration Hard Science Science Fiction Space Opera

Fane

Fane is a world that was long at one war or another. Over the last century and a half, however, there has been nearly uninterrupted peace. This period began in the year 1512 WI when the entire population of Rilas capital of Neglos mysteriously vanish...

Clockpunk Fantasy, Dark Fantasy, Low Magic Flintlock Hard Science

Graveyard of Worlds

Humanity was always running on borrowed time. Despite managing to survive the Cold War, the butcher's bill for the centuries of overexploitation were coming due. In 2107, the last rocket blasted off. In 2189, the final radio broadcast ceased. Earth c...

Hard Science Military Political Space Opera

The Fate of One

This is a portion of the galaxy under the EMPIRES reign, with 12 independent solar systems, and a couple dozen planets. Many of the species in STAR WARS live here in a parallel universe, where instead of the RESISTANCE winning by luck, they are defea...

Alternative History Fantasy, Low Magic Hard Science Post Apocalyptic Science Fantasy

Ishtar

Welcome to the year 2414 AD (314 AE). After centuries of scientific discovery and thousands of lost pioneers, our new home of Ishtar has started to grow into the mold we set 304 years ago. Ever since our exodus, the survival of Terran humanity had be...

Cyberpunk Hard Science Science Fiction

Masilla

A Sci-Fi world, set in a fictional planet in a far away galaxy, moments before a great war is about to erupt. The Celestial Empire which is one of the main empires in the galaxy has tense relations with the Fiurian Empire, another main empire. The Hu...

Exploration Hard Science Science Fantasy Science Fiction Science Fiction, Modern

Aren

Aren is an Earth-like world at the cusp of an ideological conflict. Similar to Earth's own history in the 1930s, the old monarchical order is falling apart. Although the ancient empires and their monarchs control more than half the surface of the pla...

Alternative History Hard Science Modern

Legacy of Sol

"Legacy of Sol" is a science fiction setting focused on a hypothetical early expansion of mankind into outer space. It draws inspiration from a wide variety of sources and is intended to primarily feature the exceptional men and women that pilot the...

Exploration Hard Science Mecha Military Science Fiction

Radical Futurism

In 1999 the millennium bug got everyone from the white house to the Kremlin scared so the nations decided to digitally back up their collective knowledge into a super computer in Antarctica. When the apocalypse didn't happen they felt the scare was...

Adult 18+ Fanfiction Hard Science Post Apocalyptic Solarpunk

The Dreamscape

"The Dreamscape" is a binary world containing two worlds within it: the first is the Conscious Self -- in essence, a scifi edition of our universe containing at least partially realistic physics -- an...

Alternative History Hard Science Science Fantasy Surreal

Alantia Station

Alternative History Hard Science Post Apocalyptic Science Fiction