Transformers/Beast Wars Crossovers
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The Wonders of Cybertron by Demonwolf reviews
After the Vermicious Knid attack on Space Hotel USA, astronauts Shuckworth, Showler and Shanks are sent back to patrol the skies and make sure all is clear for the hotel's opening. Unfortunately, a run-in with an asteroid storm sends them crashing onto a nearby planet, where they are found by a race of sentient robots.
Crossover - Transformers/Beast Wars & Charlie and the Chocolate Factory - Rated: K+ - English - Adventure/Friendship - Chapters: 15 - Words: 44,306 - Reviews: 3 - Follows: 1 - Updated: 7h - Published: 12/28/2024 - Optimus Prime, Ratchet, Megatron, OC
Project: Prime *Haitus* by King of The Grimm reviews
After Presidia, Hitman Squadron vanished in a Cordium storm. Where they are no one knows
Crossover - Project Wingman & Transformers/Beast Wars - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 11,677 - Reviews: 9 - Favs: 25 - Follows: 22 - Updated: 8h - Published: 1/13/2024 - Megatron, Optimus Prime, Arcee, Starscream - Complete
Falling Stars by playedcrowd5610 reviews
Megatron stood at the central console, his claws drumming against the metal surface, watching, waiting. The cameras for the medical bay had been disabled, and the files were corrupted. His optics narrowed at the dark monitor. Something was amiss—he could feel it. His Decepticons were hiding something from him… He never thought it would be a human pet. (4 of 4: Haunting the Nemesis)
Crossover - Transformers/Beast Wars & Danny Phantom - Rated: T - English - Family/Hurt/Comfort - Chapters: 15 - Words: 40,624 - Reviews: 37 - Favs: 63 - Follows: 69 - Updated: 16h - Published: 12/30/2024 - Optimus Prime, Ratchet, Starscream, Danny F.
a cycle of cogs and dragons by TheRedLemon reviews
when a never-before seen robot ends up in Alagasiea, things often change for the better. people are saved, tyrants get the short end of the stick, and many other things.
Crossover - Transformers/Beast Wars & Inheritance Cycle - Rated: T - English - Adventure/Fantasy - Chapters: 9 - Words: 35,291 - Reviews: 3 - Favs: 6 - Follows: 7 - Updated: 20h - Published: 3/3 - Megatron, Eragon S., Saphira
Transformers MHA, Arc 2: Earthrise by The Omni-Remnant reviews
After a rather intense adventure and the U.A. Sports Festival approaching fast, Izuku and his friends have two important things to do; improve their Quirks in time for the festival… and hide a bunch of giant alien robots. That proves to be easier said than done, especially when enemies on Earth and from beyond the stars end up coming for them…
Crossover - Transformers/Beast Wars & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi/Adventure - Chapters: 91 - Words: 1,076,027 - Reviews: 2741 - Favs: 1,194 - Follows: 1,173 - Updated: 4/11 - Published: 12/1/2021 - Bumblebee, Optimus Prime, Izuku M., Kyoka Jiro
Drones of Primus by bigbook29 reviews
In the Great War on Cybertron, Uzi, a young drone, leaves her colony to join the Decepticons, dreaming of a promised golden age. But hidden secrets and Shockwave's schemes trap her in a cycle of war. Autobot N also questions his role and, inspired by Optimus Prime, seeks peace. Together, Uzi and N defy their factions to break free—or remain pawns in endless conflict.
Crossover - Transformers/Beast Wars & Murder Drones - Rated: T - English - Sci-Fi/Suspense - Chapters: 16 - Words: 93,345 - Reviews: 10 - Favs: 16 - Follows: 21 - Updated: 4/11 - Published: 11/8/2024 - Shockwave, Uzi D., N
Maya and Miguel Technosaur Warriors by avisdouglass4 reviews
The Baranoia empire led by King Mondo invades Cincinnati Ohio with a army of Mega Virus Monsters for their conquest for turing the world into their own mechanical empire,Tom Servo,head of the Technosaur recruit a group of kids to stop the Baranoia,they are the Technosaur Warriors!
Crossover - Transformers/Beast Wars & Maya and Miguel - Rated: K - English - Humor/Adventure - Chapters: 49 - Words: 56,665 - Reviews: 5 - Favs: 1 - Follows: 2 - Updated: 4/9 - Published: 8/13/2023 - Grimlock
Transformers Loud Road to Wrecker Style by ECHO173 reviews
The Wreckers, an Autobot Subgroup that came to Earth stranded on the planet after their ship was damaged, now they are now tasked to aid the Autobots in stopping the Decepticon threat by taking on missions they normally couldn't with Sector 7 also known as N.E.S.T. However, a new threat emerges, the Terrorcons and their counter to the Wreckers, Mayhem.
Crossover - Transformers/Beast Wars & Loud House - Rated: K+ - English - Drama/Adventure - Chapters: 6 - Words: 55,455 - Reviews: 6 - Favs: 2 - Follows: 1 - Updated: 4/9 - Published: 10/9/2024 - Hot Rod, Tankor, Impactor, Ronnie Anne S.
Code Doom: Revenge by Nomaddum reviews
Two worlds are mired in war and destruction. The day of the most terrible prophecy is near. And only the most valiant heroes will be able to fight the great evil. And while the legendary Doomslayer sleeps, humans and Autobots strive to free the Earth from the tyranny of Britannia and its true masters - the Decepticons. Crossover Doom x Code-Geass x Transformers
Crossover - Transformers/Beast Wars & Code Geass - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 63,527 - Reviews: 1 - Favs: 5 - Follows: 5 - Updated: 4/9 - Published: 3/30 - Optimus Prime, Megatron, Lelouch L., OC
Of Minicons and Devils by Mundatorem reviews
It all begins and ends with a bike for him. Next thing Issei knows, he's become embroiled in a conflict which is been going on for millions of years. If that wasn't madness enough, he's soon wrapped up in supernatural madness. Striving to be a Harem King has never been tougher than this.
Crossover - Transformers/Beast Wars & High School DxD/ハイスクールD×D - Rated: M - English - Adventure/Sci-Fi - Chapters: 14 - Words: 53,137 - Reviews: 130 - Favs: 211 - Follows: 238 - Updated: 4/9 - Published: 11/27/2024 - Optimus Prime, Red Alert, Hot Shot, H. Issei
Phantom thief meets mercenaries by acerjoestar reviews
What would have happened if the world's greatest master thief, Arsen Lupin the 3rd, encountered a group of Cybertronians known as the mercenary clan that crash landed on the planet Earth. Would they team up or fight against each other in this amazing story?
Crossover - Transformers/Beast Wars & Lupin III - Rated: T - English - Adventure/Sci-Fi - Chapters: 10 - Words: 9,947 - Reviews: 3 - Favs: 2 - Follows: 2 - Updated: 4/8 - Published: 12/17/2024 - Nightbird, Bug Bite, Soundblaster, Lupin III
Different from You: Beast Wars by Traitor of All Traitors reviews
Anyone that has seen the episode The Probe would wish it had ended differently. What if it did end differently? What if, just seconds before the Maximals lose the battle to get rescued by Cybertron, two individuals from a different time unexpectedly show up and give the Maximals the time they need to contact the probe and alert Cybertron to where they are, and things change after.
Crossover - Evangelion & Transformers/Beast Wars - Rated: T - English - Sci-Fi/Hurt/Comfort - Chapters: 1 - Words: 3,702 - Reviews: 4 - Favs: 8 - Follows: 8 - Published: 4/8 - Shinji I., OC
Life In Allspark Wells by The Fraudulent Brit reviews
The past seven months have been quite the experience for Apple Bloom. Learning about and bonding with her uncle Ironhide, tap dancing with her boyfriend Tender Taps, helping her new sister Sideswipe, befriending Marble Pie and Rattrap, and in general, exploring her new home of Allspark Wells. But that was only the beginning. Currently being posted on Fimfiction first.
Crossover - Transformers/Beast Wars & My Little Pony - Rated: T - English - Friendship - Chapters: 39 - Words: 221,148 - Reviews: 6 - Favs: 9 - Follows: 7 - Updated: 4/7 - Published: 11/27/2024 - Ironhide, Sideswipe, Wheelie, Applebloom
Remnant's Beast Wars by howard576 reviews
When two alien ships crash on Remnant a war will break out between the two. A war that will change the the course of that world and it's people.
Crossover - Transformers/Beast Wars & RWBY - Rated: K - English - Adventure - Chapters: 41 - Words: 317,762 - Reviews: 916 - Favs: 492 - Follows: 462 - Updated: 4/7 - Published: 1/26/2016 - Megatron, Optimus Primal, Ruby R.
Dragons the Nine Realms and Transformers by coyoteprime1100 reviews
1,300 years have passed since Hiccup Haddock the Third, Optimus Prime and Toothless parted ways. The Dragons and Autobots go to the Hidden World, where Dragons have faded into legend now a new Generation of Dragon Riders will be born in the modern world.
Crossover - Transformers/Beast Wars & How to Train Your Dragon - Rated: K+ - English - Chapters: 34 - Words: 301,514 - Reviews: 161 - Favs: 60 - Follows: 54 - Updated: 4/6 - Published: 1/22/2022
Transformers Amalgamation: The Search For the Allspark by Tomhur18 reviews
PHASE 1. After thousands of years, the Allspark's location has been found. A small planet known as Earth. The Autobots and Decepticons have both sent teams to find and recover the sacred relic. But is there more to this planet than meets the eye? Especially with the three runaway human children the Autobots have befriended?
Crossover - Transformers/Beast Wars & Percy Jackson and the Olympians - Rated: T - English - Adventure/Friendship - Chapters: 61 - Words: 153,471 - Reviews: 43 - Favs: 70 - Follows: 76 - Updated: 4/6 - Published: 5/25/2024 - Hot Rod, Prowl, Annabeth C., Thalia G.
Owl House Prime by Rodimus973 reviews
Before the events of Thanks To Them, Luz Noceda and her friends from the Boiling Isles are caught in the middle of a galactic war between the Autobots and Decepticons on Earth. They must help Optimus Prime and his team defend the planet against Megatron, Starscream and many other dangerous foes that threaten the safety of humankind.
Crossover - Transformers/Beast Wars & Owl House - Rated: T - English - Fantasy/Sci-Fi - Chapters: 75 - Words: 504,565 - Reviews: 1047 - Favs: 567 - Follows: 550 - Updated: 4/4 - Published: 12/22/2022 - Arcee, Optimus Prime, Luz N., Amity B.
Primus's Chosen: Olympus's Protectors by Lethimcoook reviews
Logic dictated that fate was an illusion, yet Shockwave now stood on a world steeped in myth, Gaea. A deal with Primus had led him here, a test of his evolution beyond cold logic. Gods, monsters, mortal heroes, none fit his calculations. But for the first time in eons, he faced a challenge beyond reason. He would adapt… or be consumed.
Crossover - Transformers/Beast Wars & Percy Jackson and the Olympians - Rated: T - English - Romance/Sci-Fi - Chapters: 6 - Words: 48,882 - Reviews: 6 - Favs: 25 - Follows: 34 - Updated: 4/2 - Published: 3/1 - Shockwave, Percy J., Zeus, Hestia
The Great Convergence by MergingEmperor7 reviews
Cybertron has fallen after millions of years of civil war between the Autobots and Decepticons. Autobots have fled to new worlds, and made new allies. But the Decepticons were not far behind and they too made new friends. Three worlds, two alliances, only one will stand, while the other will fall.
Crossover - Transformers/Beast Wars & Ratchet and Clank - Rated: T - English - Sci-Fi/Friendship - Chapters: 19 - Words: 26,588 - Reviews: 20 - Favs: 24 - Follows: 27 - Updated: 4/1 - Published: 6/17/2022 - Bumblebee, Ratchet, Silverbolt, Clank
Cul-de-sac Warfare by acerjoestar
Since the Quintesson War of Cybertron and the civil war that happened on Cybertron sometime later and also declined minimum resources for both sides known as Autobots and Decepticons. As they landed on Earth Earth, A group of three young men known as the Eds, Ed, Edd n Eddy came across the crashed Autobot ship that was in the junkyard where things are about to get epic...
Crossover - Transformers/Beast Wars & Ed, Edd n Eddy - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 2,314 - Updated: 4/1 - Published: 3/25
Code Prime and Attack on Prime React to Transformers WFC Game Trilogy by Osric Primus 270 reviews
Two universes that collided with the Transformers react to the history of the War for Cybertron. (based on the WFC trilogy of games, WFC, ROTDS and FOC along with some bits from Cybertron Adventures on the Wii. For WFC, the story will be based on the console version, with small nods to the DS version of WFC) Couldn't fit Attack on titan into the crossover section, apologies.
Crossover - Transformers/Beast Wars & Code Geass - Rated: T - English - Adventure - Chapters: 4 - Words: 68,880 - Reviews: 15 - Favs: 54 - Follows: 57 - Updated: 3/31 - Published: 1/8 - Optimus Prime, Megatron, Lelouch L., C.C.
Dust and Decepticons: Falling Stars by SwapAUAnon reviews
When aliens fell to Remnant in balls of flame, responsibility fell on General James Ironwood of the Atlesian Military to make first contact with these strange new beings. Who knows, perhaps these Decepticons could be the key to a new golden age? Surely keeping the existence of these strange new beings a secret couldn't possibly backfire! (Credit to Matrix Dragon for the name.)
Crossover - Transformers/Beast Wars & RWBY - Rated: T - English - Sci-Fi/Drama - Chapters: 7 - Words: 33,488 - Reviews: 9 - Favs: 37 - Follows: 39 - Updated: 3/30 - Published: 12/24/2022 - Punch/Counterpunch, Megatron, Drift, J. Ironwood
My Prime Academia by IS6A6E reviews
After sacrificing himself to bring life back to Cybertron, Optimus Prime wakes up on Earth, but not the one he's come to know. And as a human teenager! In this world of Quirks and Heroes, Optimus must navigate this treacherous new life of his, while struggling to let go of his old one. In the shadows, a sinister plot begins to unfold, with the Last Prime at the center of it all.
Crossover - Transformers/Beast Wars & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Sci-Fi - Chapters: 28 - Words: 258,582 - Reviews: 282 - Favs: 435 - Follows: 445 - Updated: 3/30 - Published: 9/20/2024 - [Optimus Prime, Momo Y.] Izuku M., Toshinori Y./All Might
A Surge in Universes by TimPrime1 reviews
During the battle on Gigantian. Dr. Michael's Dimensional Transporter responds to a great deal of energy from Galvatron and Starscream, which causes a breach in not only the universes, but space and time as well. Now the Transformers have been separated into two different universes and one dimension, with very little time left in their universe.
Crossover - Transformers/Beast Wars & Cartoon X-overs - Rated: K+ - English - Adventure/Suspense - Chapters: 4 - Words: 10,436 - Reviews: 7 - Favs: 2 - Follows: 1 - Updated: 3/29 - Published: 2/9 - Optimus Prime, Galvatron, Starscream
Miraculous: Power of the Primes by MVMZ-710 Star Convoy reviews
Best friends Orion Pax, Ariel Kurtzberg, and Dion Mcfinnigan get the adventure of their lives when they are chosen to be the next guardians of the Matrix of Leadership as they wage their battle to destroy the evil forces of the Decepticons. But all is not well within Paris as their own heroes, Ladybug and Chat Noir, try to obtain the Matrix through any means... Read and Review!
Crossover - Transformers/Beast Wars & Miraculous: Tales of Ladybug & Cat Noir - Rated: M - English - Sci-Fi/Adventure - Chapters: 16 - Words: 64,481 - Reviews: 25 - Favs: 28 - Follows: 24 - Updated: 3/29 - Published: 11/11/2021 - [Optimus Prime, Elita One] [Ultra Magnus, Juleka C./Reflekta]
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