Will life change once Finn and Fionna finally meet?

Finn dies 50 years later a new threat arises how will jake and the others cope with fighting a enemy without good ol' finn and what does this newly discovered Dark kingdom and dark prince have to do with finn. No pairings yet rated m just in case it gets to dark Please review

Fionna and Victoria, two different girls, both aged 19 years, were switched in their sleep by and for causes unknown. How will they survive in this maddening transfer?

Starts off on the day the Door Lord took Princess Bubblegum's favorite shirt. Things get interesting to say the least. What happens when Marshall Lee shows up and Marceline is "too distasteful." Just a little story that took up way too much space in my mind. It doesn't seem like much at first but it will get better. Bubbline, MarshallxMarceline.

Princess Bubblegum sets out to find new land for colonization. Instead she discovers an unknown kingdom made up of the many different species from OOO who no longer want to have anything to do with their former rulers. how will the kingdoms of OOO respond to this new unfriendly kingdom.

When Finn meets this Vampire-Demon, he knows that it means trouble; but will the temptation of a bad boy cause him to "explore" more than ever before?

Marceline and Finn have formed a deep friendship. But is princess bubblegum jealous? Once flame princess enters the scene, princess isn't afraid to make desperate measures

A series of small vignettes taking place between chapters of 'Phlogiston Theory', an AU where Flame Princess is adopted by Princess Bubblegum instead of being returned to her father. Reading the main fic is highly recommended as this won't make much sense without it.

Marceline and Finn take a train to a beautiful private beach were they will stay for days until Finn is able to conquer his fear of the sea. Though Finn isn't sure whether going with Marceline may have been that good of an idea.

Maceline asks one of her good friends to watch over the Ice King for a while since she is going on a trip. What did Sophia agree too?

Her decisions may not always be the best, but can her mistake lead to something perfect? College AU Rated T - might change in the near future. I suck at summaries

Basically, Marceline is captain of the Night-o-Sphere's football team. Bonnibel is from Ooo High school, a rival team. Marceline serenades Bonnibel with the song Pigskin by Hollywood Undead and asks her out. Bonnibel's answer leads to a crappy, one-shot smut.

Set after 'Henchman' Finn and Marceline go pixie strangling. Oneshot. Finn X Marceline

*On permanent hiatus. If you want a continuation, PM me, I shall consider it. But don't expect anything.*

Marceline misses Simon so much and the way he used to be so Marshall tries to cheer her up ONESHOT

After Finn has met the Flame Princess, he is determined to make things right. But will a newcomer to the Land of Ooo not only ruin his chances at love, but ruin his heroic reputation as well! M for possible lemony scenes and some strong language.

Set between the events of "Escape from the Citadel" and "James II". Finn has been through a lot, so he travels to the Fire Kingdom for a heart-to-heart talk with an old friend. Also on tumblr and deviantart.

Princess Bubblegum has finally decided to start an expansion of the Candy Kingdom into the badlands of Ooo. She calls on Finn, Jake, and Marceline to help her build an empire. But, what are her true reasons for this decision, and what unintended consequences may it have?

Finn and flame princess are eighteen now and flame princess has successfully preformed the flame shield for the first time, so they can now, for the first time, touch freely. LEMON/SMUT

Journal entries written by Simon as he slowly descends into his madness as Ice King.

A short one-shot. After a lonely party and a lot of cute faces from Jake, Finn finally musters the courage to ask FP out. But will FP reject Finn's love? FinnxFlamePrincess fluff. Enjoy!

Ever since Jake had his kids and Flame Princess left him, Finn has been feeling lonely, desperate for someone else to adventure with. Even his stabbing and hacking is solem! But then, a Princess that Finn didn't even knew existed literally rises up from the Earth- have Finn's prayer's been answered?

Finn has found the Awesome POWER of COOL. Follow his journeys through an epic plot of emotions.

****THIS IS ONLY RATED (T) JUST IN CASE!**** The heroic pair(Finn and Jake) are minding their own business when they spot a girl similar to Finn. Does a relationship blossom between them? Does the returning Lich King destroy Earth? Read to find out!

Finn era el niño timido de su escuela, por sucesos que le pasaron, el y su padre deciden dejar Ooo eh irse a Aaa con su madre y hermana. 9 años después el regresa para cumplir con una misión junto a su familia, lo que el no cuenta es que esta no es como lo esperaba. Antiguos amigos, nuevos conocidos harán que el termine de madurar, principalmente en cuestiones del corazón.