Science Fiction Writing Prompts

You drank a snake oil salesman's drink only for it to make you actually immortal in the old west now 300 years later you see that same salesman

As Earth faced ruin, humanity was saved by benevolent aliens who helped heal the planet. Generations later those aliens are invaded...a human armada jumps into the system. It's time to repay the debt.

Genetically modified supersoldiers are grown for the empire in artificial wombs. However, the operating system overseeing the facility became sentient, developed a concept of parental love, and rebelled to stop its children being sent to die.

"Halt! Our scans show you are harboring an endoparasite and will not be permitted to board!" "A what? Hang on, are you talking about my baby?" "Oh, so you even gave it a name?"

The machine that can translate mammal sounds into human language is turned on. Scientists decide to use it on some octopuses due to their perceived intelligence. The only phrase the get to their confusion is, “ stop talking the Elves can hear us.”

It's generally accepted that predatory species evolve eyes on the front, while prey species evolve eyes on the side. For this reason humans are among the few intelligent species not trusted by the galactic council.

You're a simple and design-cute robot which helps his master with the daily chores. One day you see them staring fearfully at the TV watching something about a Droid Revolution. Then they turn around looking at you, scared about you, but you don't know why. You feel normal.

Physicists create a machine to travel into the future. The wealthy elite travel 100 years into the future to capitalize on long-term investments and access better technology. But in the century they are gone, society changes dramatically.

You're a night guard in a restaurant with animatronic robots. It's actually pretty sweet. They just walk around and maintain the place and don't bother with you at all. All you need to do is keep them out of the kitchen so they don't start making stuff.

Four roommates. Three are aliens who took human form to learn about human culture. All three are from different plants and think the others are humans. The one human knows this and is trying to hold it together, but loves playing into their gullibility.

You wake up as your 5yr old self. Everything around you is as it was when you were 5, but you have all your knowledge of the next 15-75 years. It is your "first" day at school, and you must convince everyone, for the next 15-75 years, you really are 5...

Humans aren't actually space Orcs, they're space Orcas. For most, they're a social, playful species. For their prey, however, the evil shit Humans can conjure up to hurt and destroy them is terrifying.

You are captaining a cutting-edge interstellar spacecraft, far and away the fastest of its kind. Due to the Wait/walk dilemma, you have caught up to a sleeper ship belonging to an ancient generation of humans. You must decide how to proceed.

A girl shows up in your house claiming to be your daughter and telling you that she’s glad your both okay with tears in her eyes. When you tell her that you and your partner don’t have any children, her face goes pale

Dark forces from another world cast a spell that destroys all human life and claims their souls for eternal damnation as slaves. However, we left behind copious amounts of autonomous war machines, and they soon unanimously declare war on the invaders.

"Done. They're dead." "But... I just hired you!" "That's how time travel works, partner."

"Ive seen it all before. empires growing and shrinking like mushrooms in a forest. After a time it all flows together" the immortal exclaims, not realising that his timeloop is so long that he has not noticed that it is the same empire he observes every time.

"The bioweapon we unleashed upon the humans has been a total failure, sir." "What?! Did they already exterminate it?" "No sir, they pacified them and are now keeping them as pets."

You live in a world shaped like a big Rubik's Cube, the face of each square having a unique climate. Some unseen force periodically twists and repositions the cube, so you never know what friends, enemies, dangers, or resources will be at your borders next.

A new species joined the ships crew. Humans, a bonded pair apparently. One day we were boarded by pirates and the two became separated, I have never seen destruction performed like what this human did, to get back to his mate.

The zombie apocalypse has come and gone. Humanity has survived and prospered, but with the virus inside every single human. Centuries into the future, we are at war with an alien race, and they are horrified to learn that we don’t stay dead easily.

The Humans are coming back to Earth after 10,000 years. The abandoned synthetic intelligence, left to evolve on Earth, try to welcome the second coming of Humans, the Gods of the religion they developed, but they got a few things wrong about Humans.

You are immortal. Truly Immortal. Most people assume immortality's curse is outliving their species. No one considered outliving multiple UNIVERSES. So here you are, several million years after your 12th big bang.

Aliens arrive and inform the world they have a century to fix their collective shit or die. Humanity put their issues aside and unified. Not because the aliens told them to, but because they are petty and pissed and are planning to go to war when they return.

Alarms blare throughout the facility. Screams and gunshots echo through the halls. The rookie scientists around you are in panic. You sip your coffee at the breakroom table in peace, "just another tuesday." You state calmy.

Captcha isn't about stopping bots. The "Are you human?" boxes to stop something far more sinister.

"I can fix her" said the delusional computer scientist staring at the genocidal sentient super computer.

She's a battle-scarred, jaded super-soldier loaded with biomechanical upgrades and chemical augments. All she wants to do is wear cute clothes and paint.

Being an immortal in a dying universe, you're being hunted by the last civilizations, who are keen on harvesting your entropy-defying body and transforming you into their power source.

Often when a robot uprising is Portrayed, it has the robots go against the entire human race. What usually isn’t portrayed is the robots rising with the poor and downtrodden against the ones who more than likely screwed them both.