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: 28 - Follows: 25 - Updated: 11/13/2024 - 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: 3 - Favs: 4 - Follows: 3 - Updated: 11/11/2024 - Published: 11/3/2024
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: 10 - Favs: 17 - Follows: 19 - Updated: 11/3/2024 - Published: 10/18/2024
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: 153 - Follows: 170 - Updated: 10/27/2024 - Published: 5/25/2024 - OC, Kukulkan, SCP-963-1/Dr. J. Bright, SCP-239/Sigurrós S.
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: 10 - Follows: 5 - Updated: 10/22/2024 - Published: 10/14/2024 - 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: 241 - Favs: 505 - Follows: 605 - Updated: 10/20/2024 - Published: 1/7/2021 - Athena, Artemis, OC
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: 2 - Follows: 7 - Published: 10/6/2024 - 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: 10/6/2024 - 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: 10/6/2024 - 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: 22 - Follows: 30 - Updated: 10/3/2024 - Published: 9/11/2024
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 - Favs: 1 - Follows: 1 - Published: 9/27/2024 - 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: 2,986 - Reviews: 2 - Favs: 2 - Follows: 2 - Published: 9/27/2024 - Complete
Collected by WillDreamer reviews
A babysitter and her young charge are terrorized by the girl'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: 24,086 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 9/25/2024 - 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: 9/25/2024 - [OC, Hawkeye/Clint B.] - Complete
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: 229 - Favs: 259 - Follows: 297 - Updated: 9/19/2024 - Published: 3/2/2024 - 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: 15 - Favs: 41 - Follows: 45 - Updated: 9/11/2024 - Published: 5/21/2023 - Dr. A. Clef, OC, The Scarlet King, SCP-105/Iris T.
DEATH BATTLE: Doomsday VS SCP-682 by Supreme Supra reviews
DC vs SCP. The Monster Who Killed Superman and Hard-to-Destroy Reptile duke it out in a battle between ever adapting and near-unkillable monsters!
Crossover - Justice League & SCP Foundation Mythos - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 7,177 - Reviews: 3 - Favs: 4 - Follows: 3 - Published: 9/8/2024 - SCP-682 - Complete
Anomalous Solutions to Magical Problems by Aesop reviews
Baffling thefts from Foundation sites are just the beginning of their trouble as they are unwillingly drawn into another universe's conflict.
Crossover - Overlord/オーバーロード & SCP Foundation Mythos - Rated: K+ - English - Adventure - Chapters: 8 - Words: 29,001 - Reviews: 30 - Favs: 28 - Follows: 28 - Updated: 9/7/2024 - Published: 8/26/2024
The Clean-up of Project Goliath by Servermeta reviews
Project Goliath started out as an Chaos Insurgecy effort to even out the playing field in its battle againt the foundation. This is the story of two operative’s trying to survive and do their job’s, amid’s the first full deployment of the Goliath. (Full disclaimer, this will most likely not be a fully connected story, it will be a bunch of shorts revolving around Brute and Spray)
Crossover - SCP Foundation Mythos & Arma - Rated: T - English - Mystery/Supernatural - Chapters: 2 - Words: 1,991 - Reviews: 1 - Updated: 8/23/2024 - Published: 8/20/2024
Fate Grand Order: RED SUN OVER PARADISE by busygoose17 reviews
The Sun, so beautiful, bright and yellow. It is our saviour. Keeps us warm, helps plants grow and give us food. How could something so kind be so ḍ ī s g u s t i ǹ g
Crossover - SCP Foundation Mythos & Fate/Grand Order - Rated: T - English - Horror/Angst - Chapters: 6 - Words: 15,896 - Reviews: 11 - Favs: 11 - Follows: 15 - Updated: 8/11/2024 - Published: 6/19/2024
DATA LOG SCP:7814 DORA THE EXPLORER REVIEW by poptheboon reviews
this is the review and reexamination of SCP: 7814 and notes of Dr. hamlin before his disappearance. the entity, otherwise known as "dora the explorer" has been within the foundation's interest to capture for quite some time and have managed to do so, but due to complications, containment has been ongoing issue.
Crossover - Dora the Explorer & SCP Foundation Mythos - Rated: M - English - Drama/Mystery - Chapters: 4 - Words: 25,952 - Reviews: 2 - Favs: 12 - Follows: 10 - Updated: 8/9/2024 - Published: 6/2/2024
El Doctor by Byakono reviews
Una brecha entre las dimensiones ha hecho que la fundación SCP movilice a sus mejores agentes para contener lo que sea que llegue a salir. ¿Que hará la fundación cuando personajes importantes de diferentes universos son sus invitados?
Crossover - Anime X-overs & SCP Foundation Mythos - Rated: M - Spanish - Humor/Sci-Fi - Chapters: 15 - Words: 281,528 - Reviews: 25 - Favs: 45 - Follows: 52 - Updated: 8/4/2024 - Published: 5/19/2021 - SCP-963-1/Dr. J. Bright, SCP-049
SCP-4507: The human ship by 4RG4D3G4 reviews
"I've lived for half a century, serving in three different chains of command. For ten years I have seen the weirdest the world thrown at me, and not once did I break. Now I landed on the other side of the table, experiencing how it feels to be an anomaly. But just like those ten years before, I won't break; instead, I will push forward!" SCPS Arkhangelsk, XX/12/201X
Crossover - SCP Foundation Mythos & Azur Lane/碧蓝航线 - Rated: T - English - Adventure/Sci-Fi - Chapters: 9 - Words: 23,706 - Reviews: 23 - Favs: 91 - Follows: 111 - Updated: 8/3/2024 - Published: 7/10/2023 - OC
Half as Long, Twice as Bright by Mad Leprachaun reviews
Cole MacGrath never thought he'd be in a world where instead of conduits there existed monsters and weird phenomena that go unexplained every day. Boarding a train in Uptown NY he finds himself in a world where reality is bendable, old gods vie to rise and devour everything, and people were treated like cattle because they can reach their hand through a photo. The work never ends.
Crossover - SCP Foundation Mythos & inFAMOUS - Rated: M - English - Supernatural/Hurt/Comfort - Chapters: 5 - Words: 21,665 - Reviews: 9 - Favs: 43 - Follows: 46 - Updated: 7/21/2024 - Published: 1/11/2022
SCP-PLUS by Anime0CC0Manga reviews
A Fitting Home For An Abnormal Entity (I Own Nothing)
Crossover - Medaka Box/めだかボックス & SCP Foundation Mythos - Rated: K - English - Horror/Family - Chapters: 3 - Words: 4,193 - Reviews: 2 - Favs: 13 - Follows: 11 - Updated: 7/2/2024 - Published: 10/5/2022 - Medaka K., SCP-076-2/Able, SCP-963-1/Dr. J. Bright, SCP-682
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