Questions tagged [alternate-worlds]

For questions about worlds other than Earth that are significantly different. This could be a water, ice, barren or other planet. For questions about planets similar to Earth with specific differences use the *earth-like* tag.

Filter by
Sorted by
Tagged with
3 votes
4 answers
833 views

What kind of world could have humanoid size spiders

It is a classic RPG trope to have the humanoid adventurers battle some spiders that are roughly the same size as the humanoids or even a good deal bigger. There are a number of questions about giant ...
  • 1,468
8 votes
13 answers
3k views

How to stop water runoff on floating islands that lack an available surface

I am building a world with islands floating in air, and I'm looking for solutions to loss of water from runoff/erosion (think rivers emptying off the side of the islands). The islands vary in size, ...
  • 83
2 votes
1 answer
87 views

Social implication of lion-people living with normal humans and how to make them into free folk and not slaves while maintaing their role as defenders [closed]

Lion-people are kidnapped at birth from humans. Why? Because Lion-folk prey on humans as a form of sport and entertainment Kidnapped cubs of lion-folk are groomed in ''loving'' families in order to ...
user avatar
2 votes
2 answers
216 views

How could a the global economy have no money/collapse? [closed]

I would like a plausible way to tank the world economy. I am trying to make a political horror world, that would be very different from today. The basis should be a lack of money or decreased value of ...
  • 29
7 votes
4 answers
805 views

What would my Sun look like to fit the properties of my Earth?

I want to have a realistic solar system as a home for my planet. My planet must look like Earth, with the exception that each orbit around its sun takes 365 Earth years. Hence a season would last ...
  • 393
5 votes
2 answers
107 views

What would the aerodynamics of ships sailing on clouds look like (and thus their design)?

I'm currently working on a TTRPG setting where there is an ocean of caustic clouds surrounding the continents instead of a regular ocean. Tech level is roughly Age of Sail with some deviations due to ...
1 vote
1 answer
82 views

Could humans be able to create a modern society in a water planet? [closed]

If the world we live in is a water planet, or a planet with little land, would humanity be able to survive and if they could, can they reach the type of civilization or society we have. Like able to ...
5 votes
3 answers
280 views

Could a Giant Earth planet have lower gravity than Earth?

I'm writing a neo-pulp adventure and one of the planets that appears needs to have the following characteristics: Is populated by giant non-sentient non-humanoid insect-like aliens, some from the ...
  • 543
0 votes
3 answers
56 views

Could 2 versions of a person from alternate universes be different ages? [closed]

Pretty much what the title says. I have 2 characters who are technically the same person, just from different universes, but for multiple reasons they have to be different ages. Can this make sense? ...
5 votes
5 answers
729 views

How to set up exchange rate between two very different world

Related to this question. The Science world, of course, has experienced and discarded gold-standard and is using paper currency and floating exchange rates. The magic world, on the other hand, uses ...
  • 2,273
11 votes
4 answers
2k views

What type of eyes are best suited towards fog and cloud cover?

I am working on a speculative evolution project at the moment that has a low atmospheric scale. As a result, the ground is almost always covered in fog or cloud-like fog that is universal across ...
-1 votes
1 answer
128 views

How likely for a religion to be almost similar in a different world? [closed]

In my secondary world, one of the main religions is a vague medieval Christianity. Of course, there are differences made for it to fit in with the lore, as well as a few other major religions. After ...
  • 2,593
18 votes
7 answers
1k views

Living on a giant banana world

In my story, which should be taken entirely seriously, mankind encounters a region of space occupied mostly by giant exo-householdobjects. That is, planet sized kettles, saucers, teacups, cutlery, etc....
12 votes
11 answers
3k views

Measuring Time in a World Where the Sun Never Sets

First time here, so I don't know what to expect. I'm writing a dark sci fi mystery story that takes place on a hypothetical megastructure called an "Alderson Disk" (Example seen Below). ...
1 vote
3 answers
124 views

Could the Deutsche Kaiserreich create a U-Boat with the following capabitities for the WWI if some timetraveler give them the blueprints?

Is possible to design a submarine that follows the following restrictions? It must have at least the capabilities of a early „the war to end all wars“ U-Boat (e.g. SM U-19). It must build-able with ...
22 votes
7 answers
4k views

Plausibility of an advanced civilization that never found fire?

A world similar to earth (climate fluctuations, the need to cook food), and because the natural atmosphere doesn't have oxygen, the intelligent organisms there don't breath oxygen. How far could a ...
5 votes
4 answers
484 views

Could a hypothetical planet composed of a neon-oxygen or argon-oxygen atmosphere with Earth-like pressure levels sustain life?

I'm trying to create a hypothetical planet scenario, where there is a planet that has a similar atmospheric pressure to that of Earth, but in this case, it has a gas different than that of nitrogen. ...
5 votes
2 answers
96 views

Shantungosaurus chase, mad max style

I have a scene where there's a Shantungosaurus chase in Mad Max style, except there's no such thing as motor technology and the closest thing to guns are portable repeating polybolos (scoprion ...
  • 384
5 votes
9 answers
3k views

How would computers work if the number zero wasn't invented?

I imagine a parallel world where people instantly went crazy and kill themselves whenever they try to conceptualize nothingness which we now known as the number zero, so no one I mean absolutely ...
  • 46.3k
1 vote
2 answers
105 views

Can sharkmen perceive your emotions?

alledgedly sharks can feel a humans heartbeat from a mile away or something like that, and they can perceive electrical signals, makes you wonder how come then they are dumb enough to confuse surfing ...
  • 384
2 votes
5 answers
158 views

Are there things that can make natural lifespan in other planets inherently longer?

How would things like gravity, air composition and density affect the lifespan of the biological protein based life that inhabits the planet, or would they have any significant effect at all? Honestly ...
  • 384
6 votes
1 answer
140 views

human version of hermit crabs

I have some tribes of nomads that live in pretty harsh places, going around by carts or building shelter is usually not an option. They live and sleep in some kind of heavy primitive armor, I was ...
  • 384
11 votes
11 answers
3k views

In a supercontinent would ships still be the primary way of transportation before the invention of engines?

introduction My world is made of a super-continent with very little isles, it has 100 countries, 97 of which are on land. 3 of those are underwater for folk who are able to live confortably in the ...
  • 384
1 vote
3 answers
191 views

what alternative topological shapes could alien life take on?

I've always been intrigued by the idea that alien life would be completely different from life on this planet. recently, I've been doing some research and found out that humans, along with other ...
user avatar
0 votes
1 answer
114 views

What kind of sounds would a creature from the void make? [closed]

For a place I call The Void, its a place filled in darkness with no elements on the galactic periodic table, what sounds would it have? Especially the entities in the Void called VoidSpawn being ...
13 votes
8 answers
3k views

How would WW2-level navy deal with my "merfolk"?

The abovementioned fictional race aren't exactly merpeople from fantasy, but I call them like that just for the sake of convenience. Rather, they're semi-aquatic humanoids, who are really good at ...
  • 353
2 votes
1 answer
56 views

How does the environment shape taste in alternate worlds

We all know there are factors leading to the various ways of flight, walking, running, crawling, climbing and swimming. Those factors are independet of the creature as those are motions and motion is ...
  • 1,752
1 vote
2 answers
89 views

Triassic crocodile alternative [closed]

During the Triassic period there were many different varieties of crocodile related species. The dinosaurs weren't as prominent until after a poorly understood extinct event. If this event hadn't ...
  • 2,982
6 votes
6 answers
307 views

What would cause oceans to disappear?

I'm writing a story that happens on a dry and arid planet that has only a few oasis's where life can thrive. Life on this world either lives in the oases or lurks in the sand waiting for migrating ...
  • 10.1k
1 vote
6 answers
197 views

How could a world empire prevent rebellions with minimal bloodshed?

In the world I've thought of, monstrous beings more or less ended civilization on my planet. From the fires of this apocalyptic event, the world empire arose. It took over territory either by force or ...
  • 964
5 votes
1 answer
136 views

Weather on a flat world illuminated by static luminaries

Consider a flat world illuminated, not by a sun following a daily trajectory overhead, but by luminaries in static locations, fixed at a finite distance above particular locations on the surface, ...
  • 4,767
-3 votes
1 answer
70 views

Does anyone know how I can convert the time of my conworld into earth hours/days and vice versa? Is there a converter or formula I could use? [closed]

I try to find out how long the years/days/hours in my conworld would be compared to those of Earth. So here is some information about the conworld's time measures: 100 (earth)seconds = 1 (conworld)...
6 votes
2 answers
224 views

If John Atkinson Grimshaw's Paintings were actually daylight, what kind of star would this "sun" be?

An Englishman by the name of John Atkinson Grimshaw was known only for his nocturnal paintings of the British landscape. I don't know about you, but his nocturnes have struck me as a bit...bright. ...
  • 14.4k
1 vote
3 answers
200 views

Appstore application to assassinate anyone [closed]

Being the pessimistic person I am who always looks at the dark side of life, mostly because in this world only a small percentage of humans enjoy the luck and luxury of living in the light side of ...
user avatar
7 votes
8 answers
2k views

Can a person whose brain was 98% destroyed but then recreated maintain some of their memories?

TL:DR A brain is turned into mush, destroyed, then 98% of the organ is replaced with other brain tissue. Can that 2% account for memories shared between both brains? Can the brain remember things that ...
user avatar
6 votes
3 answers
478 views

Can gender identity exist in a world without gender roles? [closed]

Before I offend everyone let me clarify that I mean no harm, I'm just ignorant. I never figured out what gender identity is since mostly only rainbow people talk about it and I always identified as ...
user avatar
1 vote
3 answers
141 views

Mining, Scavenging and Recycling in an artificial world

Billions of years ago, an extremely advanced civilization created an artificial world. Whether it is a ringworld, a shellworld, or something more isn't really relevant. This world's crust has a depth ...
  • 555
2 votes
1 answer
131 views

How do storms scale with planet radius?

I'm trying to figure out how weather scales with planet size, keeping other factors constant. For a specific example, say a planet with the following characteristics: Twice the radius of Earth. ...
  • 4,767
4 votes
1 answer
161 views

Is it possible to create an alternate reality through intercepting neurons and creating artificial neuron signals like in SAO (Sword Art Online)

I have been thinking a lot about creating an Alternate Reality that would essentially allow you to experience similar or as close as possible sensations as if in real life, and I really need some help ...
  • 41
3 votes
4 answers
436 views

Water in the interior of a very large continent

Consider a world that is much larger than Earth, but has Earthlike conditions on the surface. (Including gravity = 1g, by some suitable unobtainium.) Clearly, the surface could be covered in a large ...
  • 4,767
-1 votes
5 answers
197 views

What would be some changes in regards to courtship to a society where men are conscripted for three years into the military? [closed]

Let's say there's a major or constant level of warfare with an external enemy is a modern developed society. Think like modern day Korea or Israel. As a result of this level of warfare men are ...
  • 392
6 votes
2 answers
278 views

How much further could ship-based radar see on a flat world?

On our spherical planet, it is highly advantageous for modern navies to have airborne radar, because it can seem much further than even the best ship-based radar, simply due to the greater distance to ...
  • 4,767
2 votes
1 answer
122 views

What would the lakes of a planet with larger glaciers look like?

** This question is making the assumption that if a planet with a similar size and atmosphere of Earth is colder and has longer nights, it will have larger and more numerous glaciers. If this is not ...
  • 1,585
3 votes
1 answer
170 views

How would my world connect to Earth? [closed]

I'm building a world for the novel I'm writing (called Aroura) and it's a separate world from Earth. There are three tribes, the dragons, the elves, and the humans. My heroine, Galaxy, finds out she's ...
3 votes
2 answers
227 views

Would categorizing planes of existence be considered dumbing down or enriching when it comes to worldbuilding?

The world that I'm making draws strong influence from a multitude of religions, mythology, and folklore, and that extends to the planes from occult beliefs. These planes are the Physical Plane, Astral ...
  • 2,061
4 votes
3 answers
124 views

What adaptations would help an animal feed on mucosae that grow on the ground?

What adaptations of the mouth or digestive tract would help a creature to collect and consume mucosae (mucus membranes) that grow over the ground? The membranes have normal proportions and properties, ...
  • 13.9k
4 votes
1 answer
309 views

Can ravens be trained to give instruction to guide people in the dark?

The world is in total darkness, moving slow and days are longer than years (the planets rotates around the sun in 5000 earth days and rotates around itself in 50'000 earth days) One day is longer than ...
user avatar
4 votes
1 answer
133 views

Two Worlds tethered together - how would the forces affect people on the planets?

^ Not to scale Assumptions These worlds are engineered. So some aspects of the worlds can be manipulated. Equal Earth-sized planets. Tether attaching them is infinitely strong. Their separation is ...
  • 41
3 votes
2 answers
117 views

Effect of lower average temperatures on the tropical savannahs and deserts of a planet

I have a nagging question that has been eating away at me since I am figuring out the biomes that are present in the world that I am building. For all intents and purposes this world is basically an ...
1 vote
3 answers
166 views

A Timeline for the discovery of Alien life

Set Up The Story itself is suppose to be a Short Animated Movie. The Short goes through the Timeline of the Discovery. Kind of like a Slide Show, just more CG. The Timeline It all began on October ...
  • 1,541

1
2 3 4 5
8