A street urchin with no name or family dies only to wake up in a familiar world as a one of the cornerstones of the elements. Yet this familiar world has many unfamiliar twists and turns that will test her to no end (SI-OC)

Simon gets the power of the crown, but he doesn't lose his sanity or Betty. The war happens and Simon and Betty find Marceline and raise her as their own. The new family face many difficult challenges. A story in which a hero will rise and help defeat a great evil in the distant future. A different Ooo will rise and take shape. Also there will be many crossovers.

Finn Martin has been trying to find his brother since he went missing. His search lands him in trouble with the law, where he’s given a choice. Become a test subject for a secret government agency, or go to jail. This one choice leads to a whole new world, and a whole new life for the young man. Superhero AU.

prismo discovered an alternative ooo where Finn and Phoebe lives are swap

It all began with a misunderstanding When Huntress observed Finn doing their thing with another girl she lashed out possessively. the fact said other woman was Marceline the Vampire queen just put Icing on the cake now Finn is in an awkward place between two women who both want to protect him from the other and are willing to go to any length from violence to trying to seduce him

Kind of a Prequel Revival to my old story of Beautiful Accident, its just Finn and Jungle Princess having various adventures with each other and being all Romantic during the process.

The land of OOO is a free place for everyone to roam around. Dogs, penguins, humans, wizards, vampires and princesses... It's also one filled with extraordinary cataclysms... This is true especially for it's two residents, Marceline Abadeer and Bonninbel Bubblegum who found themselves with a peculair child on their hands...

an incident playing basketball with Finn leaves Marceline wondering What if.. those thoughts leading to interesting dreams featuring a very special visitor.. wip

This is where I'll be posting my adaption of lewd comics for Adventure time. Starting with the great hermit moth- with permission. Enjoy!

Fionna runs into trouble deep in a forest on a mission to retrieve a magic flower. Thankfully, someone finds her and helps her out... :) (Hunter Wizard wasn't a character option so I had to select Huntress, but as we're gender bent we've got Hunter)

Fionna has a special Christmas present to deliver on her way to the annual Christmas party at the Candy Palace. ;)

The war of Ooo was prevented, and the mighty Golb was stopped. But the adventure isn't over yet. It's just beginning. Watch as The former Last human faces many challenges and Himself. Co-written by AdventureKing2017 New Cover Image

¿Tienes un minuto para hablar? Porque yo tengo muchos segundos qué contarte.

Quelle est la mesure d'un vrai héros ? Est-ce sa force ? Son courage ? Son sens du sacrifice ? Finn l'humain cherche la réponse à cette question, rempli de regret et de rage le héros de Ooo s'apprête à rencontrer son destin, il affrontera des ennemis redoutables, encaissera les pires épreuves, serra tourmenter par le chaos de ses sentiments, mais ce chemin ferra de lui un héros.

Treachery swirls around the King of Ooo, as the violent factions acting against his empire grow their power in secret. His brother's family becomes increasingly fractured, as Kim Kil Wan pursues his vengeance against the man he once called 'uncle'. Meanwhile, Minerva the Finn-mom and her team strive to repair the Ark's damaged control system before the massive colony falls on Ooo.

Finn had lived out his entire life and was ready to pass on. He had seen it all and been there and done that. While he had many great memories, he also had many regrets, each one bigger than the last. If only he can go back in time and fix things, but time is immovable… At least that's what he thought at first.

the young fledgeling knight Finn Mertins makes a deal with the daughter of the devil to keep his people safe and what Secrets does she hold..and more importantly what is the mother of his future brides secret.. Find out in this A/u Semi Medieval reimagining of Adventure time.. THis is gonna be Rated M for a reason don't say I didn't warn you..

After the events of Freak City, Rachel decides to have a fun night with what was once considered a curse placed on her by Magic Man and stabilized by her tiara, leading to the creation of the most unusual club.

Join Finn, Jake, and Ice Princess Rachel as they embark on their many mathematical adventures as they strive to keep Ooo safe as righteous heroes.

Maybe it was the way she looked at the falling snow with childlike wonder, or the way the white flakes looked beautiful before they melted in her hair; but in that moment, Bonnie knew everything was going to be okay. High school AU. (slow burn; reupload)

a series of Song's performed by our favorite adventuring human to four special ladies yep it's a FinnXharem fic but the fun part of this story is you the reviewers get to choose the song he choses for each girl, more details inside rated T to be safe for future chapters ;)

Finn wakes up one day and has a very shocking change to his body as pointed out by his sister. A simply one shot for now dude's hope you like it!

how Will our favorite hero and Huntress deal with their newest surprise adventure before them how will it affect their friends? Family? only one way to find out.. rating may go up later on

What if Fern got what he wanted that day? He successfully killed Finn the Human and was now attempting to live his life as he always should have… but, now what? All the while, a certain uncle takes matters into his own hands and creates something… interesting.

Had this on AO3 and might as well put it here. Something something Marceline prank, something something gone wrong. News flash Finn became a vampire and is now going on a carnage spree. Will he regain his sanity before it’s too late? Or will he be a rabid animal until he dies? Idk I’m writing this as I go so let’s find out.