Sci-fi
Worlds
613 worlds

The Hydra Cell
PoppyCorley
The Avengers uncover a mysterious teenage girl in a secret Hydra isolation cell—but nothing about her imprisonment is what it seems.

The Specimen Below
Nowheretobefound
A celebrated scientist's secret basement experiment with a captive merman leads to a dark, obsessive pregnancy that could change biology forever.

The Hatter's Rival
whywontitwork5512
In the deadly games of Alice in Borderland, a London physicist builds a rival empire to the Beach—and he's rewritten the rules of survival.

Absolute Privilege
Zmajbh
In a dystopian surveillance state, you are the sole citizen granted an unrestricted government to use anyone, anywhere, for anything — with no explanation given and no limits imposed.

Firewall
allisonflora
In an alternate Marvel Universe where the fallen survived, a brilliant hacker catches the eye — and the heart — of the Winter Soldier.

Gravity of Desire
isabellewittmer27
An irresistible girl from another galaxy falls straight into the Jujutsu Kaisen universe — and every sorcerer wants a piece of her.

Am I the Monster?
lauracopa.xx
A tortured S.H.I.E.L.D. prisoner with unknown powers must uncover the truth before her captors turn her into their ultimate weapon.

Stark Legacy
bookworm
Being Tony Stark's daughter is hard when the whole world expects you to save it.

Avatar: The Forbidden Legacy
OnyxRose
An Avatar fanfiction where the Resistance discovers a forbidden Avatar body grown from your DNA, forcing the Sully family to confront a secret the RDA and the Ash People will burn Pandora to reclaim.

CURSED FRONT
evil.lady.love.blood666
**"They're called sorcerers in classified briefings. Cursed weapons in enemy intelligence. Enhanced Combat Operatives in Pentagon files. In a world war that can't be won, they're the only thing standing between victory and annihilation—and they're all dying young."**

A Drifter Among the Sun
Elysia_nyx
A female rogue planet scarred by a supernova is dragged into the Solar System, forcing her to confront her fear of stars and loneliness when the Sun and his orbiting planets refuse to let her remain a stranger.

Villain's Legacy
alllllll
In a futuristic My Hero Academia world, a villain with a conscience walks the razor's edge between redemption and ruin.

The New Winter
ejsba2a3a
When the Avengers discover a teenage clone genetically fused from Captain America and the Winter Soldier, they must uncover who created her—and whether they can save a girl who knows only war.

Beast World: A Scientist's Awakening
soleneaira803
A brilliant scientist tumbles into the primal world of Beauty and the Beasts with nothing but her camping gear and her wits — and her arrival changes everything.

Troca Inesperada
givemeyourbundinha2
Um garoto de 10 anos acorda no corpo de uma universitária sensual em 2036 — e agora precisa desvendar os segredos dessa nova vida.

The Boys: Collateral Damage
aperez1017
In a gritty world where superheroes are corrupt celebrities, a newly awakened Supe must choose between the corporate glitz of Vought International and the brutal vigilante justice of The Boys.

The Great Divide
Windy Waves
In a world where poverty is a crime punishable by servitude, one person must navigate the razor-thin line between compliance and rebellion.

Osmosian Redemption
iinventedsarcasm
In a Ben 10: Alien Force world, an Osmosian girl and her adoptive brother Kevin must navigate love, redemption, and their criminal pasts while falling for the very hero they once fought.

Shipwrecked Hearts
cadence.debrouleski
A scientist's discarded experiment becomes the only hope for survival when a storm traps a cargo ship and a yacht of investors in deadly waters.

Hey, It's Me(7 year old me).
LoveCruz
You start getting texts from yourself — except they're from a version of you who already lived today.

Eighty-Six: The Handler's War
junkard1901
In the brutal world of 86, you are Vladilena Milizé—the idealistic Handler who will defy a nation built on lies to save the Eighty-Six.

The Last Man
backamil
Thomas wakes to a world where every other man has vanished without a trace, leaving him as the sole survivor in a silent, bewildered world of women.

The Man Across the Hall
porchlight
An astrophysicist hiding from her past discovers her ex isn't the only danger when a super-soldier across the hall becomes her protector — and her only hope.

The Strongest Won't Quit
kittycatmeow
In a Jujutsu Kaisen AU, the strongest sorcerer alive won't stop pestering Shoko to meet her mysterious new friend from the bar.