SCP Foundation Mythos Crossovers
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LTF heads to the past by Ghost the Fox reviews
Ghost has decided that it's time to send someone on a mission to see what happens when they make a new dimension by changing something from the past so he has had a talk with the leader of the LTF, P4 and has convinced her to send her nephew into the past to make a new dimension this story is a side story to LTF Harry's crazy family read to chapter 9 then head here
Crossover - My Little Pony & SCP Foundation Mythos - Rated: M - English - Adventure/Supernatural - Chapters: 12 - Words: 20,158 - Reviews: 19 - Favs: 27 - Follows: 25 - Updated: 11/13 - Published: 5/3/2017 - Twilight Sparkle, unknown 2, OC
The Perfect Soldier by The Vaudevillain Veteran reviews
Unbeknownst to Niko Bellic, during his time in Liberty City he had been secretly watched by the SCP Foundation who had learnt of his anomalous abilities. Wanting to study the former Eastern European soldier more, the SCP Foundation desire to study his anomalous abilities to determine how he can potentially be of great use to them.
Crossover - Grand Theft Auto & SCP Foundation Mythos - Rated: M - English - Crime/Sci-Fi - Chapters: 2 - Words: 4,956 - Reviews: 2 - Favs: 2 - Follows: 2 - Updated: 11/11 - Published: 11/3
Anomalies Beyond the Falls by LordStar8045 reviews
They thought the first summer was their journey to the world of weirdness, they were wrong. It was only the beginning as they journey to a much grander and even more anomalous world with horrors and wonders beyond their imagination. (Set Post-Weirdmaggedon during the Third Summer)
Crossover - SCP Foundation Mythos & Gravity Falls - Rated: T - English - Adventure/Mystery - Chapters: 36 - Words: 292,825 - Reviews: 34 - Favs: 86 - Follows: 89 - Updated: 11/9 - Published: 12/8/2022 - Dr. A. Clef, SCP-963-1/Dr. J. Bright, Dipper P., Mabel P.
SCP: Anomalous Arc by John Aiden Sullano reviews
Remnant is overrun by the Creatures of Grimm. For a very long time, they have been the common enemy of humanity. Wherever they go, destruction ensures. Jaune Arc is but a boy who dreamt to end them and be a hero like in the stories. When an otherworldly star falls, his dream is fated to be achieved, just no longer as a human. It was this the unknowns invaded Remnant.
Crossover - RWBY & SCP Foundation Mythos - Rated: M - English - Adventure/Horror - Chapters: 6 - Words: 23,807 - Reviews: 10 - Favs: 86 - Follows: 115 - Updated: 11/7 - Published: 9/1 - Jaune A., SCP-179/Sauelsuesor, SCP-682
SCP: Nexus of Worlds by godofleagends reviews
Eathan Voss gains a system that connects to the multiverse, allowing famous characters from different realities to join an SCP-themed virtual game. As players compete and collaborate, the game's influence begins leaking into their worlds, with items and abilities crossing over. The SCP Foundation grows, expanding its reach as the game affects realities themselves.
Crossover - X-overs & SCP Foundation Mythos - Rated: T - English - Adventure/Horror - Chapters: 3 - Words: 8,293 - Reviews: 4 - Favs: 10 - Follows: 12 - Updated: 11/3 - Published: 10/18
Dark Side of The World by Blackhound560 reviews
We live in the dark so you can live in the light... That's the saying. And it happens more often in this world, even a hundred years after the awakening of the quirk phenomenom. And it's after the Final War that Izuku Midoriya will discover that the world of criminality... Is not the darkest side of the world... [Spoilers of the end of the manga/anime, be careful.]
Crossover - My Hero Academia/僕のヒーローアカデミア & SCP Foundation Mythos - Rated: M - English - Horror/Adventure - Chapters: 7 - Words: 25,907 - Reviews: 14 - Favs: 17 - Follows: 20 - Updated: 11/2 - Published: 10/18
You are being saved, please do not resist (WC-When Day Breaks) by EntropyEternalality reviews
I was given a once in a life-time opportunity to become a Contractor for the Company. However, the only caveat was that the first world I must enter is currently undergoing SCP-001 'When Day Breaks'- the sun is corrupted and turns all who bath under its radiance into molten flesh monsters. WC post-apocalypse story about a Kukulkan-insert trying her hardest to reverse the apocalypse
Crossover - Fate/stay night & SCP Foundation Mythos - Rated: M - English - Horror/Adventure - Chapters: 23 - Words: 77,904 - Reviews: 31 - Favs: 145 - Follows: 157 - Updated: 10/27 - Published: 5/25 - OC, Kukulkan, SCP-963-1/Dr. J. Bright, SCP-239/Sigurrós S.
Angels, Demons and Anomalies by TheDoctor1998 reviews
The Hazbin Hotel, after its destruction by the Exorcists, has finally been rebuilt. Blood of demons and angels alike had been shed, and losses were felt at both sides. Then someone from beyond the confines of Heaven's view managed to pluck several demons and angels from their home to watch the things that plague the Earth, things that defied His plans merely by existing.
Crossover - SCP Foundation Mythos & Hazbin Hotel - Rated: M - English - Supernatural/Horror - Chapters: 10 - Words: 31,566 - Reviews: 146 - Favs: 254 - Follows: 273 - Updated: 10/27 - Published: 3/5 - [Charlie, Vaggie] Alastor, Lucifer
Marvel SCP by GhostAlleyCat reviews
Different Marvel characters have encounters with different SCP's.
Crossover - Marvel & SCP Foundation Mythos - Rated: K+ - English - Sci-Fi/Horror - Chapters: 13 - Words: 7,797 - Reviews: 10 - Favs: 5 - Follows: 3 - Updated: 10/22 - Published: 10/14 - N. Osborn/Green Goblin, SCP-999/The Tickle Monster - Complete
Fear the Light by Czechus reviews
Gods may believe that they rule the world. But even they will fall against all the anomalies lurking around the world, waiting to spread the chaos everywhere. And so, just as we protect humanity from all that is not normal, we also make sure that the gods will still blindly believe their version of reality. We are the SCP Foundation. We secure, contain, and protect.
Crossover - Percy Jackson and the Olympians & SCP Foundation Mythos - Rated: M - English - Horror/Fantasy - Chapters: 9 - Words: 88,426 - Reviews: 237 - Favs: 491 - Follows: 587 - Updated: 10/20 - Published: 1/7/2021 - Athena, Artemis, OC
The Book Of Bill: SCP by LordStar8045
Bill Cipher reacting to the various Gods, SCPs, POIs, Doctors and stuff of SCP Verse
Crossover - Gravity Falls & SCP Foundation Mythos - Rated: T - English - Humor/Adventure - Chapters: 6 - Words: 38,051 - Favs: 19 - Follows: 14 - Updated: 10/17 - Published: 8/7 - Bill, SCP-963-1/Dr. J. Bright, Dr. A. Clef
Captain Marvel: My Mother (Book 2) by sakuralou2689
Amnon Montmartre (Amnon-Selah) got abducted and enslaved by the Kree-Lizard forces while his mother Carol Danvers-Montmartre had to find a way in reuniting with him. Note: This fanfic is based from the rp which my friends with OCs made over a year ago with crossover elements of RWBY, SCP Foundation, Dark Souls, Marvel Universe and others. Please read the first book.
Crossover - SCP Foundation Mythos & Ms. Marvel - Rated: M - English - Sci-Fi/Drama - Chapters: 7 - Words: 12,781 - Updated: 10/16 - Published: 10/11 - C. Danvers/Ms. Marvel, SCP-682, Dr. A. Clef, Captain Mar-Vell
Owls and Anomalies by TheDoctor1998 reviews
Luz and her family had just finally ended Belos, and the people of the Boiling Isles have been freed from the Emperor's wrath and the Collector's desire to play. But an old friend of the Titan decided to show the new Titan hybrid and her friends and family that Earth also houses supernatural phenomena. AKA: The Owl House (with Titan Luz) reacts to SCP.
Crossover - SCP Foundation Mythos & Owl House - Rated: M - English - Supernatural/Horror - Chapters: 10 - Words: 33,781 - Reviews: 63 - Favs: 187 - Follows: 222 - Updated: 10/14 - Published: 8/22/2023 - [Luz N., Amity B.] King, Eda
Gravity Falls: Secured, Contained, Protected by Cookie034
Dipper and Mabel Pines are both SCP Field Agents, after the events of the Weirdmageddon, the foundation finally moves in after investigating for a while. Both of the twins are hired to the foundation, now both are 19 and is deployed to Site-534, inside Gravity Falls, there mission is to investigate even increasing anomalous activity. (Created because this wasn't done before.. how)
Crossover - Gravity Falls & SCP Foundation Mythos - Rated: M - English - Supernatural/Mystery - Chapters: 1 - Words: 1,581 - Favs: 1 - Follows: 5 - Published: 10/6 - Dipper P., Mabel P., Grunkle Stan, Wendy
SCP-9019 - Inside Out Donkey by GhostAlleyCat
This is the SCP File about SCP-9019 AKA The Inside Out Donkey.
Crossover - Marvel & SCP Foundation Mythos - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 295 - Published: 10/6 - Complete
SCP-9007 - Silverwing Warrior by GhostAlleyCat
This is the SCP File about SCP-9007 AKA The Silverwing Warrior
Crossover - Marvel & SCP Foundation Mythos - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 638 - Published: 10/6 - Complete
STOP STARING by ReligiousZealot reviews
Scp 096 in worm? What could possibly go wrong?
Crossover - Worm & SCP Foundation Mythos - Rated: M - English - Horror/Parody - Chapters: 3 - Words: 9,646 - Reviews: 8 - Favs: 19 - Follows: 26 - Updated: 10/3 - Published: 9/11
SCP-8111: The Verdant Sentinel by WillDreamer reviews
SCP-8111 is not to be contained. The function she serves in the wild has been deemed too vital, even with occasional loss of human life. On investigation, all such human casualties were found to be guilty of crimes worthy of permanent D-class assignment, and were thus fully expendable.
Crossover - IT & SCP Foundation Mythos - Rated: K+ - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 700 - Reviews: 1 - Published: 9/27 - Complete
SCP-9339: The Ninth Floor by WillDreamer reviews
If SCP-9339-B breaches containment and converts a human into an instance of SCP-9339-C, personnel are authorized to use coercion and even torture to force her to restore her victim. However, that victim must then be subject to the same containment options as other SCP-9339-C instances.
Crossover - SCP Foundation Mythos & Twilight Zone - Rated: K - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 2,972 - Reviews: 2 - Favs: 2 - Follows: 2 - Published: 9/27 - Complete
Collected by WillDreamer reviews
A babysitter and the young girl she is taking care of are terrorized by the child's seemingly harmless collection of dolls. THEN things get weird. -Story suggested by the user retro mania.
Crossover - Twilight Zone & SCP Foundation Mythos - Rated: K+ - English - Mystery/Suspense - Chapters: 7 - Words: 24,099 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 9/25 - Complete
Attention au NoClip by Alisone Davies
Si vous ne faites pas attention, vous pouvez NoClip à tout moment hors de la réalité et tomber dans les Backrooms... Dans ces couloirs de l'enfer, une seule chose à faire : courir ! Et peut-être prier...
Crossover - Avengers & SCP Foundation Mythos - Rated: T - French - Horror/Drama - Chapters: 1 - Words: 2,882 - Published: 9/25 - [OC, Hawkeye/Clint B.] - Complete
SCP-8248 „The Rising of the Shield Hero“ by Swiss Shadow reviews
A seemingly normal Operation of a Joint Strike Force composed of multiple MTF units went horribly wrong scattering the Five man strike force in the world of the Shield Hero. (AU For the most part)
Crossover - Rising of the Shield Hero/盾の勇者の成り上がり & SCP Foundation Mythos - Rated: M - English - Drama/Humor - Chapters: 12 - Words: 56,763 - Reviews: 33 - Favs: 49 - Follows: 69 - Updated: 9/23 - Published: 9/5
Marvel: The Foundation by Darkstarcrow reviews
The MCU isn't the safest place to be, even less so if you happen to be a crime lord. Now, If that wasn't bad enough on its own. The Foundation comes knocking, and with them, the SCP objects. Alex now has to lead the Foundation to glory one SCP at a time, all while trying his best to stay hidden from the likes of Nick Fury and The Ancient One.
Crossover - Avengers & SCP Foundation Mythos - Rated: T - English - Supernatural/Adventure - Chapters: 137 - Words: 451,517 - Reviews: 224 - Favs: 249 - Follows: 283 - Updated: 9/19 - Published: 3/2 - O5-1
The Man Who Sold the World by FastestGunInTheWest reviews
A world has ended in fire. Three nations wiped. A soldier of the Last Bastion of Liberty makes a deal to reverse the fires of atomic war, in exchange for his service. Spat into a world like his own, darkness lurks on the horizon. The Horseman of War occupies his mind. John Tibbets finds himself a man exiled from his America and exiled from death. Yet there remains a Last Hope...
Crossover - Hearts of Iron & SCP Foundation Mythos - Rated: M - English - Drama/Supernatural - Chapters: 5 - Words: 24,894 - Reviews: 14 - Favs: 40 - Follows: 45 - Updated: 9/11 - Published: 5/21/2023 - Dr. A. Clef, OC, The Scarlet King, SCP-105/Iris T.
The Son of Wrath by WiteScythe reviews
Everyone goes through life following the same routine every day, wake up, eat, sleep, repeat. Yet, what happens if what we perceive as normal isn't entirely true. What if there are things were not allowed to see, things were not supposed to know. We live our peaceful lives in the light, while others fight in the dark.
Crossover - How to Train Your Dragon & SCP Foundation Mythos - Rated: M - English - Sci-Fi/Supernatural - Chapters: 4 - Words: 11,934 - Reviews: 11 - Favs: 15 - Follows: 18 - Updated: 9/11 - Published: 10/25/2023 - Hiccup
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