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Perfectly Alien (rewritten) by SignatureDish reviews
Harry had only wanted to get the Hoover Dam tour over with, he didn't know what he did wrong. Why did that mysterious cube turn him into a robot? Had everyone known there was a huge laboratory underneath the dam? And what was going to happen to him now? Poor Harry felt lost in his little Sector Seven cell. But it wasn't all bad, at least he had Lord Megatron there to protect him.
Crossover - Harry Potter & Transformers - Rated: T - English - Hurt/Comfort/Family - Chapters: 12 - Words: 116,308 - Reviews: 877 - Favs: 3,078 - Follows: 3,611 - Updated: 5/14/2020 - Published: 11/8/2016 - Harry P., Megatron
TRANSFORMERS MOVIE 2009 by ALEX JANKOWSKI 1998 reviews
ALEX JANKOWSKI AS HOT ROD / Rodimus Prime
Crossover - Transformers & Transformers/Beast Wars - Rated: K+ - English - Sci-Fi/Humor - Chapters: 2 - Words: 78 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 5/7/2020 - Rodimus Prime, Ultra Magnus, Optimus Prime, Jetfire
The Red War Dogs by ArchivistIsaac
My name is Argus Sargent and I was once known as the leader of the Reds, of the Reds and Blues. Now I'm just an old retired vet, along with the rest of my team and the Blues who've gone around the world to do their own thing. Currently I live with my wonderful daughter and one of my old subordinates, Dexter Grif. I didn't know what would happen when I brought home an old vehicle.
Crossover - Transformers & Red vs. Blue - Rated: T - English - Adventure/Family - Chapters: 1 - Words: 440 - Favs: 2 - Follows: 2 - Published: 5/7/2020 - Hound, D. Grif, Sarge, OC
Hero Crossover by angseb98 reviews
En 2018, Nepgear (Neptunia), una joven inventora de 20 años, descubre que es una CPU y no sólo eso sino también que es la última esperanza de salvación del universo, durante su vida hará todo tipo de amistades: robots extraterrestres (Transformers), Gemas (Steven Universe), superhéroes, dioses e incluso las de su linaje ¿podrá está intrépida joven cumplir su destino?
Crossover - Hyperdimension Neptunia & Transformers - Rated: M - Spanish - Romance/Humor - Chapters: 26 - Words: 57,156 - Reviews: 1 - Published: 4/28/2020 - Bumblebee, Optimus Prime, Nepgear/Purple Sister, Uni/Black Sister
I Fought the Law and the Law Lost by ZettonLives reviews
One minute, Barricade was trying to survive in a post-Fallen Earth. Now, he's found himself forming a gang (read: family) with a little girl, a soup-creating villain, an oversized Minicon, and a Wild West obsessed rival. Nothing in Sweet Jazz City will be the same after he and several other Decepticons hit the streets...
Crossover - Transformers & Epithet Erased - Rated: K+ - English - Humor/Adventure - Chapters: 5 - Words: 27,193 - Reviews: 2 - Favs: 13 - Follows: 10 - Updated: 4/21/2020 - Published: 2/26/2020 - Blackout, Barricade, Megatron, Ravage
Yuri: Survival and Trust by Elliot Darkehaven reviews
Installation 04 is fired by 343-Guilty Spark, and Dr. Halsey sends 25 of her SPARTANs as well as a foundling out-system on board the UNSC Athens. Seventeen SPARTANs and the foundling now survive as something entirely different, and no one will expect the impact the foundling will have to the SPARTANs and the ATHENS. Rated M for language. Vixen Tail owns the premise.
Crossover - Halo & Transformers - Rated: M - English - Sci-Fi/Hurt/Comfort - Chapters: 4 - Words: 18,733 - Reviews: 6 - Favs: 30 - Follows: 26 - Updated: 4/16/2020 - Published: 11/18/2013 - C. Halsey, OC, Optimus Prime, Megatron
Transformers: two worlds collide by Fluffy the town cat reviews
The Autobots from Transformers: Prime meet the Autobots from the Transformers movies. Will they be able to help defeat movie Megatron?
Crossover - Transformers/Beast Wars & Transformers - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 177 - Reviews: 4 - Favs: 12 - Follows: 11 - Published: 4/15/2020
The Voyagers in… Maine by RevvEmUp reviews
Thirteenth installation of The Voyagers. After investigating the ruins of California beneath Ooo, The Voyagers are once more sent on another adventure by another mysterious letter that directs them to the island of Griffin Rock, Maine. Unfortunately, they end up on the mainland where they meet another globetrotting team on their own adventure.
Crossover - Transformers & Adventure Time with Finn and Jake - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 8,011 - Reviews: 17 - Updated: 4/13/2020 - Published: 3/23/2020 - Bumblebee, Finn, Jake, Simon P. - Complete
Transformers the child of legend by dreadwing346 reviews
Kakashi dies while fighting against Nagato/Pain saving choji and many others lives. But something or someone save Kakashi in the lasted second by activing his sharingan eye to use Kamui sending him to another world, but as a baby where the fate of humanity is at stake when two races of robots the good Autobots and the villainous Decepticons bring their war to earth.
Crossover - Naruto & Transformers - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 13 - Words: 20,038 - Reviews: 47 - Favs: 115 - Follows: 106 - Updated: 4/5/2020 - Published: 12/19/2016 - Kakashi H., Optimus Prime, Megatron
Worlds United by autobotgirl12328 reviews
After the final adventure between the chosen travelers (Worlds Apart Series), the walls of the worlds had been closed for good. Or so it was hoped. Worlds are dying and it will take a new set of heroes to find a way to stop it, before nothing's left.
Crossover - Transformers/Beast Wars & Transformers - Rated: T - English - Adventure/Suspense - Chapters: 6 - Words: 7,603 - Reviews: 10 - Favs: 13 - Follows: 11 - Updated: 3/15/2020 - Published: 12/22/2018 - Bumblebee, Windblade, Vector Prime, OC
The Voyagers in… California by RevvEmUp reviews
Twelfth installation of The Voyagers. Months after their adventure to Russia, The Voyagers have temporarily disbanded. That is, until a mysterious message comes to them, summoning them to the place where Simon was born and raised: California.
Crossover - Transformers & Adventure Time with Finn and Jake - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 8,011 - Reviews: 26 - Updated: 3/9/2020 - Published: 2/17/2020 - Finn, Jake, Susan S., Simon P. - Complete
The day of creation by TwilightZion
This is the history of how the first Cybertonians was created in the heat of a battle and how that in turn lead to the creation of the 13 Primes. Letting them see the first light of the world.
Crossover - Transformers/Beast Wars & Transformers - Rated: K - English - Family - Chapters: 2 - Words: 4,041 - Favs: 2 - Follows: 2 - Published: 3/8/2020 - Complete
The One's They Fear by Sporedude135 reviews
Atui, a ten-year Blooded Yautja, or "Predator," crash lands in the middle of the Battle of Chicago after a brief scuffle with a PredAlien on a rival clan scout ship. What will happen to him, especially with his race's mortal enemy, the Cybertronians, of both good and evil, running around and wrecking the place? (Warning: Will contain violence, gore, and suggestive themes)
Crossover - Aliens/Predator & Transformers - Rated: M - English - Drama/Sci-Fi - Chapters: 1 - Words: 2,235 - Reviews: 3 - Favs: 2 - Follows: 5 - Published: 2/8/2020 - Predator/Yautja, Predalien
The Voyagers in… Russia by RevvEmUp reviews
Eleventh installation of The Voyagers. After their detour at Mars, The Voyagers continue their adventure to Alpha Centauri. Once there, they find the source of the signal: the entirety of eastern Europe and Russia on the surface of a planet!
Crossover - Transformers & Adventure Time with Finn and Jake - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 8,011 - Reviews: 26 - Updated: 2/3/2020 - Published: 1/13/2020 - Finn, Jake, Simon P. - Complete
Age Of Half-Bloods by PeculiarBeetle reviews
It's been over three years since the giants were defeated, and the saving of Earth. A connection has been found in Autobot ranks…It links Demigods, both Greek and Roman, to the Cybertronians. And only a few Autobots are connected. (This is a many crossover, not just 2 stories.)
Crossover - Percy Jackson and the Olympians & Transformers - Rated: T - English - Adventure/Humor - Chapters: 2 - Words: 301 - Reviews: 4 - Favs: 9 - Follows: 9 - Updated: 1/14/2020 - Published: 10/20/2014 - Octavian, Bellona, Leo S., Dino/Mirage
The Voyagers in… Mars by RevvEmUp reviews
Tenth installation of The Voyagers. With the help of The Voyagers and the Rescue Bots in their previous adventure, Faxian was able to receive a signal from outer space, from humans! The Voyagers take a trip to space, but then they receive a call for help from Mars. There, they find even more humans in need of help.
Crossover - Transformers & Adventure Time with Finn and Jake - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 8,011 - Reviews: 23 - Updated: 12/30/2019 - Published: 12/9/2019 - Finn, Jake, Simon P. - Complete
Second Chances by FelinaTheDevil22 reviews
Haunted by his memories, Primus gives Optimus and Megatron a second chance to right their wrongs and stop a war in another dimension. Agreeing instantly, Optimus and Megatron travel to the Prime Universe with a youngling Bumblebee. Together, will they be able to help both themselves and this new dimension, or will history repeat itself?
Crossover - Transformers/Beast Wars & Transformers - Rated: T - English - Hurt/Comfort/Angst - Chapters: 10 - Words: 21,833 - Reviews: 35 - Favs: 111 - Follows: 113 - Updated: 12/25/2019 - Published: 3/29/2017 - Optimus Prime, Megatron, Bumblebee, Alpha Trion
Drive by stridermagic reviews
Five Times Harry Slept in Optimus Prime's Cab and One Time Optimus fell asleep on Harry. Pre-slash.
Crossover - Harry Potter & Transformers - Rated: M - English - Sci-Fi/Drama - Chapters: 6 - Words: 11,767 - Reviews: 105 - Favs: 919 - Follows: 742 - Updated: 12/15/2019 - Published: 5/15/2019 - Harry P., Optimus Prime - Complete
That's some dangerous prime steak by gypseyprime reviews
The Rift cracks open again, but this time it lets through something unlike ever before. It's,, a robot? *EXTREME CRACK DON'T READ*
Crossover - Transformers & Pacific Rim - Rated: T - English - Humor/Parody - Chapters: 1 - Words: 146 - Reviews: 2 - Favs: 1 - Follows: 1 - Published: 12/11/2019 - Optimus Prime, Raleigh B., Mako M., Gipsy Danger - Complete
Steel and Hellfire: Mechagodzilla's Vengeance by meliaravonfuchs reviews
It has been a year since the Events of Thanos' Snap, Meliara Von Fuchs is alone. Her father had been dusted and she was left with her friend and her lynx. She didn't know what to do, except. She knew that there was very little she could do as an individual to get revenge. Unless she decided to get help.
Crossover - Godzilla & Transformers - Rated: T - English - Fantasy/Hurt/Comfort - Chapters: 3 - Words: 3,524 - Reviews: 1 - Favs: 6 - Follows: 3 - Updated: 12/3/2019 - Published: 11/26/2019
Crossout: A Legacy Born by Cyanosis the Numeric Dragonair
Something I came up with while playing Crossout on 11/20/19. Crossout is a game where you start off with a basic pickup truck and upgrade your vehicle until the stage where you can have a titanic armored personnel carrier, or as the game calls it, a Leviathan. Kinda like Mad Max. Summary: Nexus failed to make a portal, it exploded, and now he's in the Blood Rocks.
Crossover - Game X-overs & Transformers - Rated: M - English - Adventure/Humor - Chapters: 5 - Words: 2,037 - Updated: 11/25/2019 - Published: 11/20/2019
The Voyagers in… Hong Kong by RevvEmUp reviews
Ninth installation of The Voyagers. The Voyagers are on another routine mission, this time to Hong Kong. Because of Springer and Fallback's injuries, they are unable to transport the team. As a result, Minerva has employed the help of the Rescue Bots!
Crossover - Transformers & Adventure Time with Finn and Jake - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 8,011 - Reviews: 22 - Updated: 11/25/2019 - Published: 11/4/2019 - Finn, Jake, Simon P. - Complete
How to train your dragon to survive a cybertron war by The Cowardly Christian reviews
Fall of Cybertron AU! The tranformers have crashed into the archipelego and have dragged their war with them! Will this change the fate of Hiccup and his friends, your fraking right it will! Major AU! Inspired by coyoteprime1100.
Crossover - Transformers & How to Train Your Dragon - Rated: T - English - Sci-Fi/Supernatural - Chapters: 1 - Words: 1,823 - Reviews: 4 - Favs: 5 - Follows: 4 - Published: 11/11/2019 - Optimus Prime, Hiccup
Let Her Go by Ironhide's Girl 103
King is stranded in Manganese Mountains, a storm is brewing, a storm that will bring cold air, snow and even death. Most inhabitants wouldn't dare venture out into those mountains unless one knew what they were doing. For King it was to protect a small, unprotected innocent sparkling from falling into the grabs of Megatron.
Crossover - Brave Saga & Transformers - Rated: M - English - Family/Adventure - Chapters: 3 - Words: 4,485 - Favs: 3 - Follows: 3 - Published: 11/9/2019 - Complete
Five Worlds Wars: The Machine Invasion by darkmachines reviews
One of the SternRitter has taken over the Capital of Fiore and taken Princess Hisui as prisoner. Only the 4th and Defense Divisions are left to free the Capital and Princess against the powerful SternRitter M and his army of Machines and Robots.
Crossover - Bleach & Transformers - Rated: T - English - Adventure/Tragedy - Chapters: 6 - Words: 34,615 - Reviews: 32 - Favs: 14 - Follows: 11 - Updated: 11/8/2019 - Published: 6/17/2017 - Vandenreich, OC, Barricade, Blackout
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