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9Adventure Time with Finn, Jake, & Rachel » by Autonomous Ultra Instinct 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.
K+, English, Adventure & Humor, chapters: 8, words: 39k+, favs: 12, follows: 7, updated: 15h published: 11/23, [Finn, OC] Jake, Princess B. Bubblegum
Sugar Free Autumn » by CrypticBB It got colder, the trees got sadder and it got darker... I never liked the rain, until you came around. Highschool AU, Bubbline
T, English, Romance, chapters: 2, words: 1k+, updated: 16h published: 11/28, Princess B. Bubblegum, Marceline A.
2k+Family » by Major144 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.
T, English, Adventure & Family, chapters: 498, words: 1302k+, favs: 633, follows: 547, updated: 11/29 published: 9/20/2014, Finn, Marceline A., Betty, Simon P.
13The Snow Prince » by Antman502 The Ice Crown, the very foundation of Simon Petrikiov's magic and madness, but it didn't need to be that way. Anything could be conquered, with the right equipment. Urgent Evergreen the creator, knew of the crown's power, and how best to protect oneself against it. Even millions of years later his very technology still exists, ready to aid the bearer of the crown.
K, English, Drama, chapters: 4, words: 10k+, favs: 36, follows: 51, updated: 11/29 published: 10/17, Finn, Ice King, Marceline A., Simon P.
3Cyrus Kooper: Reign of the Vampires » by martin.ng649 The world has been taken over by vampires and the human race is nearly wiped out. Cyrus Kooper, a survivor of the vampire onslaught finds himself becoming an unlikely hero. With help from his new friends and allies, Cyrus must fight for both his life and his fellow humans as he eliminates the vampires while being pursued by The Star.
T, English, Adventure & Supernatural, chapters: 2, words: 4k+, favs: 6, follows: 3, updated: 11/14 published: 11/10, Princess B. Bubblegum, Marceline A., Huntress Wizard, OC
8Finn Campbell by GentleNight This story takes place in an alternate timeline where Martin leaves his son behind as he escapes the Isles. Rather than going on fantastic adventures every day with his magical dog, Finn is raised to be a Helper within human society. Finn becomes a Campbell. This story is darker than the main series of events. Be prepared for a slow burn as Finn descends into madness.
T, English, Tragedy & Romance, words: 12k+, favs: 17, follows: 19, 11/6, Finn, Minerva C.
3Bubbline Adoptive » by Otar3000 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...
K, English, Family & Adventure, chapters: 5, words: 13k+, favs: 8, follows: 7, updated: 11/4 published: 12/20/2022, Marceline A., Princess B. Bubblegum, OC
656Something More » by Bazinga007 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.
T, English, Adventure & Family, chapters: 46, words: 313k+, favs: 615, follows: 606, updated: 10/28 published: 11/23/2020
1 Mi Sabor Favorito by AliceLawrenBlack72 Marshall Lee deseaba averiguar si los labios de Fionna eran tan dulces como sus amadas fresas y vaya que lo haría, aunque la rubia lo intentase asesinar por ello. Menos mal que ya estaba muerto...
T, Spanish, Romance & Humor, words: 962, favs: 2, follows: 1, 10/27, Marshall Lee, Fionna
110Turbulence » by Tophatman 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)
T, English, Fantasy & Romance, chapters: 25, words: 61k+, favs: 198, follows: 223, updated: 10/9 published: 5/3, Marshall Lee, Marceline A., Marceline's Mom, Hunson Abadeer
1To Warm Thy Heart » by ARCHIVEACCT8264 I don't know when I'll work on this again.
T, English, Hurt/Comfort & Romance, chapters: 4, words: 3k+, favs: 2, follows: 2, 10/5
1 Finn Rekindles His Flames by ARCHIVEACCT8264 After almost dying in space, Finn realizes he needs to apologize to Flame Princess.
T, English, Friendship & Suspense, words: 1k+, favs: 2, follows: 2, 10/5
Flint by ARCHIVEACCT8264 Flint helps Phoebe feel hope
T, English, Hurt/Comfort & Family, words: 1k+, 10/5
Best Unkle and Aunt » by cosmicriff Finn and FP meet Jake's pups
K, English, Romance & Family, chapters: 2, words: 486, favs: 5, follows: 3, 10/2, Finn, Jake, Jake Jr., Flame Princess
18 It's Always Werewolf Prince » by Tophatman The great question endures: who would win in a fight between Nietzsche's Übermensch and Mandroid? The answer is...Werewolf Prince. It's always Werewolf Prince! (Genderbent Werewolf Queen SI-OC for the new Fionna and Cake show)
T, English, Adventure & Humor, chapters: 7, words: 21k+, favs: 65, follows: 61, updated: 10/2 published: 9/4, Fionna, Cake, Simon P., OC
5Adventure time: Shattered purpose » by Time to bot When finn feels like he has lost his sole purpose after the series finale he is revealed the truth and makes a decision which will not only effect his legacy but all of OOO
T, English, Adventure & Romance, chapters: 6, words: 13k+, favs: 42, follows: 48, updated: 10/1 published: 1/5/2022, Finn, Marceline A., Huntress Wizard, Princess B. Bubblegum
2 Found Out by sldlovestv18 Fionna and Cake fic lol Basically: what would happen if the dog uncovered Choose Goose. Simon gets arrested, of course. Marceline's POV Rated for language
T, English, Hurt/Comfort, words: 7k+, 10/1, Marceline A., Simon P.
2 Perfecto by Mors Meridiem Simón y Betty se reencuentran después de tantos años. Betty como una diosa del caos y Simón como un simple humano, pero al final ellos tendrán su final feliz. (Final alternativo de Fionna and Cake).
K, Spanish, Spiritual & Hurt/Comfort, words: 580, favs: 2, follows: 2, 9/28, Betty, Simon P.
random by King Damage I wrote something I didn't want to lose so, I am posting it here.
K, English, Romance, words: 156, 9/28
Adventure Time: Lancaster and Nate by Mildly Infuriated Anon A reimagined universe of your favorite/hateful character in the show: Adventure Time.
T, English, Adventure & Supernatural, words: 1k+, 9/26
2 lose you eventually by HotSweetOnion Simon gets a visit from an old friend
T, English, Parody, words: 1k+, favs: 2, follows: 2, 9/26
Vampiro o no seguire en pie by crazyhw Dariel el primer cazador de vampiro, siendo el enemigo y el único humano que le puede hacer frente a la corte del rey vampiro, empezó a cazar a estos luego de que ellos empezaron a destruir y azotar los asentamientos de los pocos humanos que existían. Obviamente todo esto está ambientado en el mundo de Hora de Aventura, luego de que la bomba nuclear azotara a la tierra.
K+, Spanish, Adventure, words: 2k+, favs: 2, follows: 2, 9/24
1Roses and Tulips » by Wtfamievendoing College AU, Marceline begrudgingly decides to go to her local Community College. The second she walks in she's entranced by a gorgeous stranger. The two couldn't be more different, but that isn't an issue for Marceline. It may however be an issue for her boyfriend Ash…
T, English, Romance, chapters: 4, words: 4k+, favs: 1, follows: 2, updated: 9/19 published: 8/30, Finn, Jake, Princess B. Bubblegum, Marceline A.
Finn and flame princess » by Shin the lightning Finn coping with depression after flame princess dump him
T, English, Romance & Drama, chapters: 2, words: 1k+, favs: 3, follows: 3, updated: 9/17 published: 9/16, Flame King, Finn, Flame Princess, BMO
Gone in an instant by grizztheviking On her way back home from visiting Finn and Bronwyn Huntress Wizard hears a strange song that seems to have a weird effect on the local villagers. *Takes place right after Distant lands Obsidian and Distant lands Wizard City.
T, English, Adventure & Suspense, words: 2k+, favs: 4, follows: 4, 9/15, Finn, Huntress Wizard
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