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Like reading Sci-Fi web novels? Explore our free online Sci-Fi novels and find some of the best fiction stories you’ll ever read.
Consider yourself a Sci-Fi novel writer? Share your talent here!

BlackBrain Small update
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3.7 K
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BlackBrain

I’m Isayama Tore, a contagion investigator for Division 3 at Cellos Robotics, a company working in collaboration with the city’s metropolitan government. In the year 2308, in a world ravaged by nearly four centuries of viral warfare, I roam the city alongside my cute partner, Katy, tracking ca...

Updated: Jan 12, 2025
Chapters: 
55
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Finished
DramaSci-FiThriller
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6.3 K
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Remainers

In the far future, humans have left Earth behind in search of a new home after climate change, war, and destruction have left it uninhabitable. Believing that Earth can one day be restored to its original beauty, the ones that abandoned their natural bodies to help the planet's restoration were c...

Updated: Jan 27, 2025
Chapters: 
66
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Ongoing
AdventurePost-ApocalypticSci-FiSlice of LifeSurvival
I just want to enjoy life not  to be hero
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993
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Soul-Eating Monsters Invaded the World, But I Just Wanna Take a Nap

Metavores. Savage creatures from outer space that devour life energy. They came without warning and brought the world to its knees in an instant. Humanity was cornered… until they discovered the Core—the source of the Metavores’ power—and turned it into their last hope. In response, the worl...

Author:
Updated: Mar 29, 2025
Chapters: 
47
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Ongoing
ActionAdventureComedyMilitary / WarSci-Fi
cover 2.5
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6 K
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A Tour of the World Between Worlds

She wakes up in a strange grey world with no recollection of who she is. As the world's denizens welcome her in, memories begin to return one by one. She relives her past while struggling to make sense of the present, and a monster that threatens to attack only worsens the situation. Can she wear...

Updated: Dec 19, 2022
Chapters: 
57
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Finished
FantasyIsekaiSci-Fi
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29.8 K
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Otomaho: Who Said an Adult Can No Longer Be a Magical Girl?!

Karin Radcliff, age 23, works a soul-crushing job in retail, leads a lamentable love life, and can't help but wonder if her life is going anywhere. She has a secret though, she was once one of the four Magical Girls who saved Earth from the Dark Lord. Seeing the struggles of her fellow humans inf...

leafbladie
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Author:
Updated: Sep 03, 2021
Chapters: 
15
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Finished
ActionFantasyMagicSci-FiShoujo
MY EXECUTION CODE SYSTEM
NEW!
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272
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MY EXECUTION CODE SYSTEM

In a world where justice is dead and corruption reigns, Riven Kane is a street survivor with nothing to lose. That changes the night a mysterious System chooses him. Execution Code: Activated. Branded as an "Executor," Riven gains the power to eliminate high-level criminals—those untouchabl...

Updated: Jun 15, 2025
Chapters: 
11
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Ongoing
ActionCyberpunkLitRPGSci-FiSurvival
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368
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Ghostlight

Some ghosts wear your face. Others ride your soul. In the slums of the Redmond Barrens, identity is just another commodity—and Isilme Sorn’el sold hers a long time ago. Now known as Valkyrie, she’s a ghost-hardened warlock turned arcane specialist with too many scars and not enough sins left t...

Updated: May 21, 2025
Chapters: 
6
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Finished
ActionCyberpunkSci-FiSupernaturalThriller
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1.1 K
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What The Master Calls A Butterfly

One way or another, nature always wins. After having lost dominion over the Earth due to self-inflicted climate change, the remnants of humanity descended into massive underground complexes called arcologies to avoid the wrath of nature. The idea was to wait out the clock until the Earth was n...

Updated: May 07, 2025
Chapters: 
25
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Finished
PhilosophicalSci-FiSeinen
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962
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The Time Heist Chronicles

Master thief Alaric Voss thought he had seen it all, but when he’s hired to steal an ancient relic called the Zeton, he’s thrust into a high-stakes adventure across time itself. The Zeton, a powerful time-manipulating artifact, pulls him from Wild West heists to pirate ship battles, futuristic ci...

Updated: Nov 24, 2024
Chapters: 
26
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Finished
AdventureDramaMysterySci-FiThriller
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2.6 K

Dang Convergence

Living peacefully was all that seventeen-year-old mercenary Dang wanted. Slacker student by day, mercenary bodyguard at night, he navigated the streets of Starlight Bay, California with a determination to survive. Although plagued with memory gaps from his past, he pushed forward to make his futu...

Updated: Aug 31, 2024
Chapters: 
63
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Ongoing
AdventureFantasyLitRPGSci-FiShounen