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TAFAO: Till All Fortresses Are One by ripntear reviews
The robots were winning on the Mann Vs Machine war. Mann Co's last stand was Mannhattan, but like all previous battles, the mercenaries were losing their final stand. Seeing soon that all will be lost, Scout was ordered to deliver a 'Teleporter' to teleport a payload but didn't went exactly as planned. Instead, it teleported him to the year of 2010, where alien robots roamed Earth.
Crossover - Transformers & Team Fortress 2 - Rated: T - English - Sci-Fi/Tragedy - Chapters: 10 - Words: 130,869 - Reviews: 1 - Favs: 10 - Follows: 9 - Updated: 9/10 - Published: 7/28/2019 - Scout, Ironhide, Arcee, Elita-1 - Complete
Code Geass: Lelouch B-312 of the Autobot UNSC Resistance by phantomkillerx5
The Black Knights meet the Transformers who create a space bridge to transport supplies from the BK bases to the Ark but the space bridge malfunctions and a amnesic Lelouch is transported to the Halo universe who becomes a spartan. This is a 3 story crossover. ALL Code Geass characters will be rewritten in my image so they'll be OOC. Bayverse,Knightverse and aligned continuity inc.
Crossover - Code Geass & Transformers - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 7,302 - Favs: 5 - Follows: 4 - Updated: 9/8 - Published: 8/30 - Lelouch L., Optimus Prime
Don't ever leave me by Oscar'sFAIRmaiden
Buffy and Faith are asked by Optimus Prime to help with a dangerous situation. Things are complicated even more when Buffy learns there is a traitor in the Autobot ranks, the information itself could cause Buffy and Optimus' relationship to be threatened. Especially when said traitor helps awaken an old evil to destroy the two slayers, who are the strength to Optimus and Ironhide.
Crossover - Buffy: The Vampire Slayer & Transformers - Rated: T - English - Romance/Hurt/Comfort - Chapters: 8 - Words: 9,248 - Favs: 1 - Published: 9/7 - [Buffy S., Optimus Prime] [Faith L., Ironhide] - Complete
That fateful day by Oscar'sFAIRmaiden
When Optimus Prime is severely injured and taken prisoner by Megatron; NEST find themselves being ordered by General Morshower to trust Rupert Giles watcher to Buffy Summers and Faith. However, the Autobots and NEST need a lot more convincing; then the Englishman's word that they can handle the job.
Crossover - Buffy: The Vampire Slayer & Transformers - Rated: T - English - Romance/Hurt/Comfort - Chapters: 4 - Words: 6,716 - Favs: 1 - Published: 9/7 - [Buffy S., Optimus Prime] [Faith L., Ironhide] - Complete
The Prime and the Predacon series book 3 by Oscar'sFAIRmaiden
Two unlikely beings the last of their kind, a Prime and a Predacon become mates and form the strongest bond that Cybertron had ever known but on Earth... Follow their unlikely bond through trials and tribulations...
Crossover - Transformers/Beast Wars & Transformers - Rated: T - English - Romance/Hurt/Comfort - Chapters: 8 - Words: 6,399 - Favs: 3 - Follows: 1 - Published: 9/7 - [Predaking, Optimus Prime] - Complete
The Prime and the Predacon series book 2 by Oscar'sFAIRmaiden
Two unlikely beings the last of their kind, a Prime and a Predacon become mates and form the strongest bond that Cybertron had ever known but on Earth... Follow their unlikely bond through trials and tribulations...
Crossover - Transformers/Beast Wars & Transformers - Rated: T - English - Romance/Hurt/Comfort - Chapters: 6 - Words: 5,938 - Favs: 2 - Published: 9/7 - [Predaking, Optimus Prime] - Complete
The Prime and the Predacon series book 1 by Oscar'sFAIRmaiden
Two unlikely beings the last of their kind, a Prime and a Predacon become mates and form the strongest bond that Cybertron had ever known but on Earth... Follow their unlikely bond through trials and tribulations...
Crossover - Transformers/Beast Wars & Transformers - Rated: T - English - Hurt/Comfort/Friendship - Chapters: 5 - Words: 4,835 - Favs: 2 - Published: 9/7 - Complete
No escape by Oscar'sFAIRmaiden
A mysterious evil force takes its revenge and the Autobots, Decepticons must find The Avengers to find the ones they protect before it's too late.
Crossover - Transformers & Avengers - Rated: T - English - Drama - Chapters: 11 - Words: 8,440 - Favs: 1 - Published: 9/7 - Complete
Shifting Stars by Altega reviews
While venturing out, the crew of the Enterprise find themselves the focal point of a centuries old civil war of titanic proportions.
Crossover - Transformers & Star Trek: 2009 - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 7,170 - Reviews: 27 - Favs: 29 - Follows: 17 - Updated: 9/7 - Published: 9/4/2018 - OC, J. Kirk
A Broken Promise by Oscar'sFAIRmaiden
Summary - A broken promise, a terrible unnecessary death leads to the humans all ganging up on Optimus Prime forcing his Autobots to watch as they destroy their leader with help from very powerful allies.
Crossover - Transformers & Avengers - Rated: T - English - Hurt/Comfort/Friendship - Chapters: 1 - Words: 2,698 - Favs: 1 - Published: 9/7 - Optimus Prime, Morshower, Iron Man/Tony S., Vision - Complete
Finding her other half by Oscar'sFAIRmaiden
AU Following the events of Dark of the moon, Optimus' team blames him for the loss of Cybertron a second time. So, what follows is someone poisoning him slowly and him overhearing a horrible plot to kill him that very night. He escapes with his mate, Mikaela Banes, but they have transported away. But can things work out in time or will tragedy strike no matter what they do?
Crossover - Transformers/Beast Wars & Transformers - Rated: T - English - Romance/Hurt/Comfort - Chapters: 11 - Words: 9,548 - Favs: 1 - Published: 9/7 - Optimus Prime, OC, Optimus Prime - Complete
Mr Monk meets Megatron by Oscar'sFAIRmaiden
– One-shot – Adrian Monk is kidnapped and taken to Megatron, however, what follows is shocking not just to the Decepticons and Megatron but to Optimus Prime and his Autobots and NEST as well.
Crossover - Monk & Transformers - Rated: T - English - Humor/Hurt/Comfort - Chapters: 1 - Words: 1,161 - Favs: 1 - Published: 9/7 - Adrian M., Barricade, Optimus Prime, Megatron - Complete
Avengers-- Vanished by Oscar'sFAIRmaiden
Sequel to Avengers Secrets - Revenge comes knocking hard against Melinda Stark just when things start to calm down.
Crossover - Avengers & Transformers - Rated: T - English - Romance - Chapters: 6 - Words: 3,974 - Favs: 1 - Published: 9/7 - Complete
The thrill of a lifetime by Oscar'sFAIRmaiden
What happens when a girl, her friend and family members get sucked into different worlds. The thrill and adventure of a lifetime is what happens...
Crossover - Transformers & Avengers - Rated: T - English - Family/Adventure - Chapters: 9 - Words: 6,567 - Favs: 1 - Published: 9/7 - Complete
To try and conquer a hero by Oscar'sFAIRmaiden
One shot – When three humans set Galvatron loose on Optimus Prime the last thing they expected was The Avengers helping the troublesome Prime.
Crossover - Transformers & Avengers - Rated: T - English - Hurt/Comfort/Friendship - Chapters: 1 - Words: 736 - Favs: 1 - Published: 9/7 - Optimus Prime, Iron Man/Tony S., Hulk/Bruce B. - Complete
The fight of his life by Oscar'sFAIRmaiden
Infernacous gets the upper hand on Optimus in a battle, but as he goes to kill Optimus the Prime's human mate who is a slayer saves him.
Crossover - Buffy: The Vampire Slayer & Transformers - Rated: T - English - Hurt/Comfort/Romance - Chapters: 1 - Words: 541 - Favs: 1 - Published: 9/7 - Buffy S., Optimus Prime - Complete
Love to last a lifetime by Oscar'sFAIRmaiden
When five friends somehow end up in a world that shouldn't even exist; they must learn to cope and survive and help save a hero. The only problem is what if said hero has become so hurt and fearful of humanity that he won't trust anyone to help him?
Crossover - Transformers & Transformers/Beast Wars - Rated: T - English - Hurt/Comfort/Romance - Chapters: 13 - Words: 42,726 - Favs: 1 - Published: 9/7 - Complete
The strength of a family by Oscar'sFAIRmaiden
What happens when a girl, her friend and family members get sucked into different worlds. The thrill and adventure of a lifetime are what happens...
Crossover - Transformers & Avengers - Rated: T - English - Family/Adventure - Chapters: 22 - Words: 19,145 - Favs: 1 - Published: 9/6 - Complete
Loudformers by dnetmunity
The Loud kids, Benny, Liam, Zach, Stella, Liam, Par, a pair of Leni's student friends, Sid and Adelaide Chang are coming out to eart as giant Autobots but the Decepticons are hot off the trail so they settled between two parts of Michigan but the humans led by Clyde and Ronnie Anne are hold the key to the Allspark as their fate to the entire human revolution.
Crossover - Transformers & Loud House - Rated: K - English - Sci-Fi/Adventure - Chapters: 4 - Words: 3,642 - Updated: 9/6 - Published: 9/3
And it all comes tumbling down-- You just never know series book 2 by Oscar'sFAIRmaiden
Missy Rainer does not have it easy especially after her friend Noella is brought into custody only adding fuel to already festering situation.
Crossover - Transformers & Avengers - Rated: T - English - Friendship/Suspense - Chapters: 4 - Words: 3,922 - Favs: 1 - Published: 9/6 - Ratchet, Optimus Prime, OC, Thor - Complete
Till All Are One by Wacko12 reviews
With Cybertron restored, the Autobots believed they can take a breather. But the threat of Unicron still remains. Worse still, old and new enemies unite that threaten the entire universe. The Autobots and their human will need the aid of other heroes as well as unexpected allies to face this approaching doom. For they must work together to survive, or fall one by one.
Crossover - Transformers & Avengers - Rated: T - English - Sci-Fi/Adventure - Chapters: 9 - Words: 36,712 - Reviews: 165 - Favs: 93 - Follows: 90 - Updated: 8/31 - Published: 11/22/2018
Finn, Jake, and Simon in… a Journey Through the Decade by RevvEmUp reviews
Seventeenth installation of The Voyagers. After a disastrous adventure, Finn, Jake, and Simon are flung more than a thousand years into the past and are caught between battles between the Autobots and Decepticons. Will they ever escape this Journey through the Decade?
Crossover - Transformers & Adventure Time with Finn and Jake - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 8,011 - Reviews: 16 - Favs: 1 - Updated: 8/31 - Published: 8/10 - Bumblebee, Finn, Jake, Simon P.
Lives Changed Forever by Oscar'sFAIRmaiden
Optimus Prime and Faith have been together for a long time, and when the Watcher's council sent Tanya, Optimus, Bumblebee, Giles, Buffy, Faith, Xander, and Willow, Lennox and Epps, Sam and Mikaela to another realm it was into a world where evil was running amuck and the ones in running the show do not like intruders who are soldiers for the light.
Crossover - Buffy: The Vampire Slayer & Transformers - Rated: T - English - Supernatural/Suspense - Chapters: 5 - Words: 3,427 - Favs: 5 - Follows: 2 - Published: 8/19 - Buffy S., Faith L., OC, Optimus Prime - Complete
Shots by LunaMoonstar19 reviews
Summary inside. Rated T and M.
Crossover - Transformers/Beast Wars & Transformers - Rated: T - English - Romance/Hurt/Comfort - Chapters: 14 - Words: 30,875 - Reviews: 4 - Favs: 1 - Follows: 2 - Updated: 8/19 - Published: 5/3
The Will of the Transformers III by TheVoidHunter250 reviews
Sequel to the Second, the Allies race the Decepticons for the moon only to discover the Ark. However, Optimus' old commander Sentinel Prime, betrays them and aligns with the Decepticons to save their race. Now Jane and her team will face both the Decepticons and within the government as they prepare for their toughest battles they will face before. Violence, Language,
Crossover - Green Lantern & Transformers - Rated: T - English - Adventure/Romance - Chapters: 12 - Words: 27,157 - Reviews: 22 - Favs: 18 - Follows: 18 - Updated: 8/14 - Published: 9/11/2018 - [OC, Optimus Prime] Megatron, Sentinel Prime - Complete
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