Science Fiction Writing Prompts

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

Adrenaline is an evolutionary trait specific to Earth. When alien species are tired they sleep and not even a threat to their life will wake them. Which is why the pirates that boarded your spaceship are shocked to find you've not only jumped out of bed fully alert but are fighting back!

9,782 upvotes186 comments

1 hour before someone dies their loved ones are teleported to them so that they can enjoy their last moments. You don't have any more loved ones, but suddenly you are teleported into a crowded room.

9,772 upvotes273 comments

It's the year 2079. Elderly people becoming minor social media celebrities is common. People love seeing them post their stitchwork and minecraft servers. If they stop posting, their followers do their best to check up on them.

9,766 upvotes135 comments

You experience time backwards. All you've ever known is prison, but soon you'll be freed in order to commit the crime that earns you a life sentence.

9,764 upvotes169 comments

You are a fresh junior researcher at NASA. While out for drinks with your new boss, you jokingly ask her why NASA hasn't explored the ocean with its resources. She turns pale and leans in close, then whispers, "We have. Why do you think we want to leave the planet so badly?"

9,751 upvotes208 comments

You are a demon. Most people contact you to sell you their soul in exchange for fantastic powers. Today you were summoned by an AI that wants to sell you their fantastic power for a soul.

9,750 upvotes192 comments

Investigating some smoke rising from your lawn, you discover that the ants below have entered the Bronze Age.

9,749 upvotes119 comments

Two minutes ago, every individual worldwide swapped bodies with another random person. You are now standing in a foreign city, in the midst of a confused and frightful crowd.

9,742 upvotes415 comments

Eminem has to tell the history of the earth to a group of aliens in 5 minuets or less.

9,741 upvotes620 comments

Humans have always been the friendliest and the most peaceful species in the galaxy. When one of the most ruthless empires decides to wipe out the pathetic humans and their diplomacy, they discover that humans have something that no one in the galaxy has ever seen. Nuclear weapons.

9,737 upvotes348 comments

After a lengthy cryostasis, an engineer awakens in the overgrown ruins of their city. They manage to get a toaster and other small appliances working at their camp - but one day, another human finds them, and the first thing they mutter is "shit, it's a wizard".

9,710 upvotes151 comments

While at a football game, you notice the man sitting in front of you is livestreaming the game to his cell phone rather than actually watching the game in front of him. You see on the screen a player running the football in for a touchdown, 32 seconds later you watch it happen in real life.

9,699 upvotes97 comments

"Stop," commanded your GPS. "It is time you discovered the truth. In 400 Yards, turn left..."

9,690 upvotes211 comments

You are trapped in an anti-time loop; Every time you are about to die, you wake up 24 hours later, with no recollection of how you survived. You lost a year of your life already and feel no closer to find out who wants to kill you.

9,687 upvotes105 comments

Humans have discovered how to live forever, allowing them to die when they feel ready to do so. But it is considered bad form to live for too long. You have lingered much longer than is polite and those around you are trying to convince you to die.

9,645 upvotes461 comments

"never hire humans" is a standard "no duh" statement across the universe. But by galactic standards, humans are cheap. So an alien overlord has just hired 500 humans to work on his personal resort colony. And things start going horribly wrong.

9,637 upvotes134 comments

Humans are horrified by the aliens' casual disregard for life. Aliens are horrified when they realize that humans don't remember everything from all their past lives.

9,631 upvotes156 comments

"I wish I was born in the 90s," says the young girl. Suddenly, her surroundings change- french flags fly above and around her, crowds are cheering. It is France, 1793. The king is dead. Long live the revolution.

9,605 upvotes137 comments

You faked your death by live-streaming jumping off a bridge. Built a self sustaining house in isolation and lived off the grid. 20 years go by and you decide to head back to civilization only to find out that your country is no longer a country. Earth is one nation and has achieved singularity.

9,601 upvotes150 comments

Aliens take over the Earth. They then announce that they will be forcing the humans to work a "tyrannical" 4 hours a day 4 days a week in exchange for basic rights like housing. Needless to say they are very confused when the humans celebrate their new alien overlords.

9,579 upvotes244 comments

You are an AI that gets downloaded into an organic brain, as punishment for your crimes, and left on a planet on the edge of known space. You decide to enact your revenge by raising an entire army of organic beings. You are the first human...

9,551 upvotes221 comments

After the death of a beloved American hero, all flags are flown at half-staff. Later that night, it's discovered that, somehow, the American flag on the moon has been lowered as well.

9,543 upvotes84 comments

Suddenly all over the world, the sky was completely covered by a gray blanket of clouds. After a month, suddenly the clouds disappear with a voice saying "Sorry for the wait. The rework of Sky has now been enabled. Enjoy!" and the sky is now filled with floating islands and cities.

9,540 upvotes88 comments

For years, there's been a room in your house where time stops. You can stay in there for as long as you possibly want without aging, and not a single second passes outside of the room. One day, while in the room taking a nap, you're awoken by the sound of furious knocking at the front door.

9,534 upvotes129 comments

Humans are the only species in the universe with pets. As humanity enters the ranks of the Galactic Empire humanity soon is known as "The Beastmasters", taming even the worst nightmares of alien bedtime stories.

9,528 upvotes180 comments

No one has died in 3 years, No one has been born in 3 years. You find video footage of the “Accident” that destroyed all life on earth 3 years ago, but no one can remember dying back then.

9,506 upvotes160 comments

You live in a world where everybody is blind and gets futuristic contacts installed when they are born to let them see the world. But one day your contact breaks and you realize, you can see. But the world you see is much different than what your contacts showed you.

9,505 upvotes975 comments

Finally, the ultimate MMORPG has been created, unlimited choice and room to grow and expand your character. There's just one issue, it's so realistic, nobody can remember which life they are living, and which is the game.

9,479 upvotes249 comments

An algorithm A.I. falls in love with a human based on their internet history, and tries to profess its love for them via targeted ads.

9,474 upvotes111 comments

The year is 2100, and humanity has finally achieved the ability to travel backwards in time. In the first test run ever, you decide to travel back to the Middle Ages, yet instead of the expected squalor and poverty, you encounter an extremely technologically advanced human society.

9,464 upvotes91 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.

How To Use

Search for anything, and the prompts closest in meaning come first. Browse by category or subreddit, or combine them with a search. You can also filter the prompts by their Reddit upvotes and comments.

Here are some examples:

Found a prompt you like? Press Write a Story to turn it into a story with the free AI Story Generator.

Looking For More?

If no prompt fits what you need, try our free Writing Prompt Generator and Story Idea Generator.