Like the title says, what if the people of Ooo started to make certain... videos after Marceline starts this new trend of sorts to spice things up with PB... no real action persay, just raw smut between AT characters, Canon and non-canon characters will be used, read at your own risk, suggest people for Marceline and others to have fun with and Atomsk and I will try to fit them in.

Fionna was over the moon. She finally worked up her courage to ask out her favorite prince, and he said yes. Marshall Lee on the other hand was not as thrilled. (Endgame Fiolee)

This new story of Finn's is much different from the others, look to a new Adventure Time with a new Finn in tow

What happens a normal kid dies and finds themselves reincarnated in their favorite show as the brother of the future queen of vampires herself. A lot of stuff, some good some bad. But one thing is for sure, a lot will change. (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.

A detailed fanfiction idea that I feel like I put a lot of heart into. I'm sending it off into the internet in case I ever lose it. FP/Finn's relationship starting on a much healthier note, meant to be wholesome, FP is more relaxed and is more open, and more wholesome. My intent is to develop her into a third main and give her a personality distinct from "Finn's GF."

ice king strikes a deal with a witch once banished from the candy kingdom by bubblegum's great great grandfather as she grows and captures bubblegum to keep as her prisoner

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.

An AU where Ooo is all female, with the exception of rare males, and Fionna the Human is about to experience an interesting birthday present that will lead more. Mass Harem. Co-op by TME and I. No Flames, only constructive criticism.

What if at the end of the Cooler, Phoebe being 18 here, pretty much gave Bubblegum an ultimatum to keep her kingdom from being destroyed by Phoebe and her army... nuff said expect plenty of lemons, and Bubblegum getting dominated... and Phoebe stealing Marceline from her... no Finn lemons here people, expect heavy Futa on female, creature on female, male on female, ETC.

18 year old Finnegan Campbell lives on Founder's Island with his mom, but through a series of unfortunate events, he winds up on the shores of Ooo. And becomes a Helper in ways he never thought were possible.

parody of Disney's the hunchback of Notre dame with adventure time characters. btw please note that glassboy is a character from the spinoff series distant lands. and Gumbald is princess bubblegum's uncle in the original series in case you didn't know.

What if Bubblegum decided to make a study on many creatures of Ooo and hires many people to help her with the studies and many of them happen to not only go into details of said creatures lives... but their mating habits as well... look inside to find out more on BCS. (Lemon filled from start to finish.) (Ash Death in first chapter) (Male OC's will be used with female humanoids.)

Being a princess may seem amazing, but Aurora Starlee hates it. She can never leave the castle, everyday is almost the same, and she only has her mother for company. When she is accidentally transported to another dimension, she now has the adventure she's been hoping for.

While exploring a new dungeon, Finn is stuck in a time loop that resets every time he opens his eyes. Will he be able to escape this loop, or will he be forced to live in it with the god-like ability to reset time whenever he wants? Wait, is being in a time loop even a bad thing?

After rubbing a pot, Finn meets someone that can help cater to his needs. New story by TME and I. Sonic reference in the story. No flames, only constructive criticism is welcome.

The Green Knight

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)

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... (Marceline's POV)

Marceline moves into her new college dorm only to find out that her room mate is her ex best friend. And her local barista. And her fake girlfriend. And her… fiancé? Marceline's not even sure where to start.

After crossing a line with her former enemy turned lover, Flame Queen Phoebe just can’t help herself from being drawn to Don Jon in the Bondage Kingdom. Rated M for adult themes. Based off a what-if in Lillum’s Lewd Prison. Collaborated with Atomsk the Pirate King.

After Jake's funeral, Finn is in a depressive slump. The fact that Ooo has been uncharacteristicly peaceful isn't helping matters. When Finn gets a call from Jake's son, Kim Kil Whan, he learns that he isn't the only one struggling.

Adventure time: A New Era fanfiction written by: Destiny/Bossman on discord ideas: Sebastian, Aymgames, WheelyCool: 1000 years after the war and events of Adventure time so get ready to see alot of chapters and a dedicated fanstory and with some old and new foes returning and familar faces, This story mostly follows Shremy perspective! Adventure time! (WIP) (Credit to the artist)

Commissioned by TomdaBomb27. Slow burn story of Finn becoming Bronwyn's mentor as she quests to become a great adventure like her Grandfather and Great Uncle. Join us as the two struggle, learn, grow. As their bond becomes stronger lines begin to blur. BronwynXFinn

After the events of Mama Said, Finn and Jake not only lost their job but also their home thanks to the King of Ooo. Luckily, they were able to get new employment from an ally. Co-op by TME and I. NO FLAMES PLEASE! Only constructive criticism.