Science Fiction Writing Prompts

Search thousands of the most popular writing prompts from Reddit, and write a story from any of them with AI.

"Remember, if you die in the simulation-" "Yeah, yeah, we know, you die in real life." "What? No! You need to reset the simulation with this terminal! What is WRONG with you humans?!"

1,845 upvotes44 comments

People now gain immortality by transferring their consciousness to robots, by purchase or lease. The poor rent; the poorest live from paycheck to paycheck. You work for a conglomerate as a repossessor. To not feel like a murderer, you started storing people's consciousness on your old computer.

1,729 upvotes58 comments

Your roommate is so bad at pretending to be a human, you've started to just automatically back him up in public. Tonight he tells you how nice it is to know the only other alien in the city, and you have to break the bad news

1,726 upvotes74 comments

A mind reading alien species is terrified when they discover humanity’s greatest mental defense; intrusive thoughts

1,714 upvotes51 comments

When an alien race discovered Earth's atmosphere was made with oxygen, their best scientific theory was that the creatures there were able to breath fire. They eventually decided to invade Earth equiped with thermal armor, and were no match to the bullethell that was waiting for them

1,706 upvotes56 comments

All of humanity inexplicably loses the ability to die. No matter what happens. This does not, however, mean they are invincible, nor do they have superhuman regeneration. They simply can't die regardless of their physical state of being.

1,704 upvotes122 comments

Galactic Federation NEWS: "Telepathic Drakebi Diplomat in Critical condition after taping into the mind of Human Emissary, babbling something about a 'Subconsciousness'. What's that, and why is it dangerous? More later Today!"

1,690 upvotes57 comments

"Your job is simple, you make them scan their badges if a scan fails or they refuse shoot them immediatly, no matter what. If there is an alarm ignore and mute it, don't call anyone. If it's dark or foggy and you see something humanoid but not really human scorch it outright."

1,690 upvotes88 comments

Your friend built a cloning machine and decided to show you how it works. You watch them step inside and see both them and their clone step out. You decide to be a troublemaker and ask who is the clone.

1,674 upvotes36 comments

We invent the warp drive, only to discover that humans are already a member of the galactic community. Apparently there have been enough alien abductions over the years to start a small country.

1,658 upvotes58 comments

For 10 long years war has raged while the Galactic Committee held a tight leash on the humans; stating "We do things a certain way". Now, with the enemy closing in, the leash comes off.

1,598 upvotes146 comments

Turns out, because humans are sentient you’re not allowed to hunt them under intergalactic law… because of this you have now begrudgingly joined some humans hunting club to make your trip somewhat worthwhile

1,583 upvotes81 comments

As a renown astronomer you’ve known there are intelligent extraterrestrial life forms for years, it wasn’t that difficult to find, nor was it for their searches to find us. However, you’ve realized that both societies are not ready to interact. That doesn’t stop you guys from being pan pals.

1,576 upvotes39 comments

"Everyone can become a billionaire within a month", or so I was told. You decide to let a clairvoyant superintelligence pilot your body for a month. As it takes the most optimal path to make you a billionaire, you watch hopelessly in horror.

1,561 upvotes65 comments

One day the entire planet was suddenly moved to a different solar system. While scientists and leaders were trying to understand what’s going on, everyone heard a voice. “Good day, we are with mortal protective services. We have noticed signs of extreme neglect and abuse from your creator.”

1,533 upvotes74 comments

The first rover lands on mars and NASA discovers that every boat and plane that has disappeared in the Bermuda Triangle scattered around the surface of the planet.

1,495 upvotes64 comments

On an interstellar cruise of 200 years the 1st class passengers have cryosleep. 2nd class have to serve the 1st but also have cryosleep. You are a born 3rd class passenger, your grandparents boarded decades ago. You find a secret deck with lots of mysterious cryo passengers never seen before…

1,412 upvotes48 comments

“Out of all species of sapients in the galaxy, Terrans are the strangest. A single Terran is tiny, weak, and barely sapient at all. But when they clump together, they form massive colonies made up of trillions of them that share the same intelligence, called a Human.”

1,392 upvotes42 comments

You are chosen to be a passenger on a sleeper ship heading towards a distant star. However you are woken up tens of millennia later by a band of what seems to be talking animals, robots and odd looking humanoids, one of them says "I don't believe it, a progenitor! I thought you were extinct!"

1,384 upvotes24 comments

For reasons unknown, at the exact same moment everyone in the world lost the ability to change emotions. They were stuck with whatever they were feeling at that moment; anger, fear, constipation, guilt, ecstasy… with a permanent case of curiosity you are determined to find out why.

1,375 upvotes43 comments

A human ship activated its self destruct sequence when boarded by an enemy, when humanity was asked why would we do such a thing by the galactic community, we simply responded "We don't give up the ship, such as the crews of old. We never give up the ship."

1,372 upvotes70 comments

The group of new humans who just joined your ship begin to act weird about the humans already present...they keep mentioning something call the uncanny valley? Maybe this is a place on Sol?

1,364 upvotes64 comments

You have lost count of how many time travelers have come to kill you. You don't know why they came and at this point you don't care. You will become what they fear simply out of spite.

1,313 upvotes41 comments

"Earth is devoid of magic. That is precisely why it is so dangerous. No one notices a planet like that until it is far too late to control it's potential."

1,299 upvotes53 comments

The mighty alien race comes to the human leaders, pledging their unconditional surrender, and even offering peace gifts of immense monetary and technological value. The only problem is that we had no idea we were at war, or that aliens even existed.

1,286 upvotes67 comments

It's been publicly confirmed that our galaxy is within the open maw of a massive galaxy-eating beast. The beast can't move faster than light, so it'll take hundreds of millions of years for it to finally bite down. This is something that humans will just have to live with

1,280 upvotes81 comments

The robot's team lies stricken, dead or wounded. But it angrily stomps on, impervious to the mages' fireballs and lightning. For magic works on faith and the robot's faith in science and logic is absolute

1,255 upvotes24 comments

The aliens saw a planet divided as an opportunity to attack. The first sign they were wrong, was when they intercepted a recording. "Hey Canada! The Geneva Conventions don't apply to aliens do they?"

1,239 upvotes104 comments

You awake suspended above your bed. Unable to move, unable to cry out. The room is filled with a bright light, and you can make out faint silhouettes. An alien abduction? Tears in your eyes, you almost give up hope when I scaly hand pulls you to safety. The monster under your bed is not happy.

1,227 upvotes24 comments

"It's time once again for everyone's favorite species that can't ingest raw nutrients to survive! It has to be just right, from temperature to texture, in a process that gives galactic biochemists a headache. Please welcome today's contestants in: COOKING. FOR. HUMANS!"

1,209 upvotes31 comments

This search engine lets you explore about 5,000 of the most popular writing prompts from the /r/WritingPrompts and /r/DirtyWritingPrompts subreddits.

Writing prompts are a great way to practice your writing and to get inspired. And if you aren't a writer, you can find fun and creative stories in their Reddit threads.

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