Web Original works that belong to the Science Fiction genre. For tropes commonly used in these works, see Speculative Fiction Tropes.
Note: If a work is already on one of the listed sub-categories, do not list it here.
- The 15 Keys
- 17776
- Academy of Superheroes
- ADAM (Unity)
- The Adventures of Fox Tayle
- The Aethion Expanded Multiverse
- Agamemnon Tiberius Vacuum
- AIIM
- Aivoton Aikamatka
- Alien Abduction Role Play
- Alien Biospheres
- The Amazing Digital Circus
- Amphiterra
- Anachronauts
- Artifexian
- Artemis Neo
- AsteroidQuest
- Ask Alistair
- Astrobiologica
- Atop the Fourth Wall
- ATTACKAZOIDS!
- The Audio Logs Of Dr Squid
- Autodale
- Avalon's Reign
- Bento Banana
- Beyond the Impossible
- Biomon
- Bosun's Journal
- Bravest Warriors
- Broken Saints
- Building Tales
- Chakona Space
- Chronicles of Syntax
- The Chronicles of Taras
- City of Angles
- Codename Sylizar
- Con Man
- Countryship Yoors
- Cretaceous Roulette
- The Crew of the Copper-Colored Cupids
- Cyberpunk ASMR
- Dad
- Daisy Brown
- Dark Dungeons
- Darwin's Soldiers
- Death Comes to Time
- Delta
- Diaries of the Disaster
- Dimensional Prophecy of Zohar Redux
- Division by Zero
- Doctor Steel
- Dominion and Duchy
- The Doomy Adventures of Irken Doominess:
- Dream High School
- Dr. Horrible's Sing-Along Blog
- Driftless Wormhole
- Fate By Blades
- Fearsome Future
- Fine Structure
- The First Run
- Floating Point
- For The Tyrants Fear Your Might
- Frankenstein M.D.
- Freeman's Mind
- Galactic Crucibles
- The Galactic Series
- Galactiquest
- Gemini Home Entertainment
- Genius: The Transgression
- gen:LOCK
- Gobblety Tobblety
- Goodbye Strangers
- A Grey World
- Haloid
- Har Deshur
- Harper's Folly
- Hidden Frontier
- How to Hero
- I Am Not Infected
- Ice Gift
- Ilivais X
- The Impossible Man
- Infrastructure
- Interface
- In Golden Waters
- Internecion Cube
- Invader Zim: A Very Tall Problem
- The Jenkinsverse
- The Journal Entries
- Junction Point
- Ketrin
- Keit-Ai
- Kherishdar
- Kinda Super Gay
- Lands of Ice and Mice
- Lands of Red and Gold
- The Last Angel
- The League of S.T.E.A.M.
- Level 17
- League of Intergalactic Cosmic Champions
- Life Around a Red Dwarf
- Liv in the Future
- Lobo (Webseries)
- Lovelace ½
- Madgie, what did you do?
- Mahu
- The Mech Touch
- Meta Runner
- Metro City Chronicles
- Microsoft Sam Reads Funny Windows Errors
- Mission Code High School
- Monkey Wrench
- Mortasheen
- MTC Saga
- Multiverses Wiki
- Mundo Ultimate News Cp
- Murder Drones
- Mystery Flesh Pit National Park
- Mythpunk
- Next Breed of Thief
- Nexus Gate
- Nightfall
- NOC +10
- Not All Heroes
- Olan Rogers
- On the Shoulders of Giants
- ORIGIN ZERO
- Orion's Arm
- Parhelion
- Pilots
- Planetcopia
- Polinices
- Pop Rocket
- Project Fia
- Project NRI
- Ra
- Rebuild World
- Red Alert 3: Paradox
- Red Death
- Red vs. Blue
- Registry of Time
- Resident Evil Musicals
- Revolving Door
- Rick Point Blank
- Roxy Was Here
- Star Wars: Rico's Brigade
- The Romulan War
- RPC Authority
- Sagan 4
- Scream of the Shalka
- SCP Foundation
- Serina
- Shed 17
- Simulacrum
- Slim Chance Intergalactic Zoologist
- Smile Tapes
- SMPLive's TekkitLive spin-off server
- Snaiad
- The Sojourn
- Solos
- Space Beasts
- Space Janitors
- Space Voyage
- SPARK Of Tyranny
- Spec World
- Spes Phthisica
- Star Trek Continues
- Star Trek: New Voyages
- Star Trek Online Pathfinder
- Star Wreck
- Starbarians
- Starship
- Starship Farragut
- Starship Goldfish
- Starship Regulars
- Starsnatcher
- Starwalker
- The Star War Gatherings
- The Stump
- Stupid Kids
- Super Robot Quest
- Super Robot Wars Quest
- Superhero Black Hole
- Swarm on the Somme
- Sync
- Trains of Future
- Tails Series
- Tales from the Afternow
- Tales of Aquila
- Tech Infantry
- Taerel Setting
- The Templin Institute
- There Is No Antimemetics Division
- Theriomorph Chronicles
- The Things
- Things of Interest
- This Time Round
- Three In The Afternoon
- Three Worlds Collide
- The Time... Guys
- Time to Orbit: Unknown
- The Tim Tebow CFL Chronicles
- Titan Empire
- To The Death
- Town Of Veins
- TRON: Destiny
- Twig
- Twitter Story Earth 5 AR
- Undocumented Features
- Unlikely Eden
- Unreal Estate
- Vast Empire
- Veil of Madness
- Vintage Eight
- Vita Carnis
- Le Visiteur du Futur
- Zeon Quest
