1k+A Guardian Angel » by Hyuga09 Marshall lee is a normal teenager living a normal life, he goes to school, lives on his own suffers from a genetic disease where he can be killed by the sun and has mandatory psych appointments because his mom thinks he thinks he's a vampire totally normal...Well for him. All that normal changes one fateful day after he gets into a fight with a blonde over a strawberry glazed donut
T, English, Romance & Drama, chapters: 132, words: 722k+, favs: 596, follows: 588, updated: 5/3 published: 2/15/2013, [Marshall Lee, Fionna] Marceline A., Flame Prince
1Desayuno en Jupiter » by Love novels Dos chicas completamente diferentes, unidas por su trabajo de cuidar a una autora famosa. Adaptación del libro de Andrea Tome
K, Spanish, Romance & Humor, chapters: 3, words: 3k+, favs: 1, updated: 4/24 published: 3/2, Princess B. Bubblegum, Marceline A.
5the lich born » by Cypher biter The lich has merged souls with Finn, giving him powers and having a stake in his decisions. But he is not here to fight ,for there is a war brewing, the swarm is here, and it's not here to say hello(this will also be heavily sci fi)
T, English, Adventure & Family, chapters: 9, words: 4k+, favs: 9, follows: 10, updated: 4/22 published: 5/15/2019, Finn, The Lich
197Adventure Time - Roxy the Human » by nene9131 A teenage girl with an unknown past falls into the land of Ooo literally. Now Finn is no longer the only human and now Finn and Jake have a new sister adventuring with them. Will she find out where she came from? What kind of adventures will she have? What friends will she find? Also who will she fall in love with? Roxy/?
T, English, Adventure & Romance, chapters: 42, words: 133k+, favs: 316, follows: 286, updated: 4/21 published: 3/30/2016, Finn, Jake, OC
1k+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: 418, words: 1091k+, favs: 410, follows: 362, updated: 4/19 published: 9/20/2014, Finn, Marceline A., Betty, Simon P.
1The Cold Heat by Raise257 Sequel to "The Shadow of my Life" After J took the AlphaSphere and the OmegaCube, Finn wanted to start his life normal again and to be with Phoebe again. Such amazing moments will happen, but there will never be peace and security when being expected. Rated T for Language and maybe Violence. I don't own the image (It's Prelluyd's image from DeviantArt) or Adventure Time.
T, English, Drama & Romance, words: 2k+, favs: 2, follows: 1, 4/17, [Finn, Flame Princess] The Lich, OC
13Ooo, meet Aaa » by aimsknight06 After a freak magic ceremony, Ice King's fanfiction comes to life and everything spills into Ooo! What hijinks and shenanigans will ensue?
K+, English, Adventure & Friendship, chapters: 13, words: 24k+, favs: 53, follows: 55, updated: 4/14 published: 6/2/2015, Finn, Fionna
100Marceline the Human » by Wolfcryptic Marceline stole the wrong witch's jam-filled donut and is turned into a human. She must kiss her one true love to break the curse. The hard part? She isn't sure who her true love is.
T, English, Humor & Romance, chapters: 6, words: 14k+, favs: 127, follows: 239, updated: 4/13 published: 8/26/2012, Finn, Jake, Princess B. Bubblegum, Marceline A.
1 Into One's Memories by throwaway445 Simon may be back, but there are still princesses that hold grudges against him. To display that Simon and Ice King are not one and the same, Marceline must traverse into his memories. However, she may get more than she bargained for.
T, English, words: 10k+, favs: 2, follows: 2, 4/12, Finn, Jake, Marceline A., Simon P.
11 Dead Heart Still Beats by Shaeril McBrown A crow and a maggot tried to cheer Marceline up through song
T, English, Hurt/Comfort & Friendship, words: 455, 4/11, Finn, Marceline A., Princess B. Bubblegum
146Something 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: 21, words: 137k+, favs: 109, follows: 96, updated: 4/11 published: 11/23/2020
12Mis demonios y yo » by Mastercold Después de haber salvado el dulce reino y a toda la tierra de Ooo de una catástrofe de proporciones bíblicas nuestro héroe descubre nuevos secretos y misterios que pondrán toda su existencia como persona y protector de todo lo justo y bueno en peligro (esto es un spin-off de finn y la princesa flama pueden quedarse con el final que había dejado o seguir con este)
K+, Spanish, Mystery & Romance, chapters: 8, words: 11k+, favs: 12, follows: 11, updated: 4/6 published: 5/17/2015, Finn, Flame Princess
5Diplomacy and Bloodshed » by throwaway445 After the humans arrive in Ooo, many kingdoms look forward to the opportunity. However, politics can be messy. A power competition between various kingdoms and an unexpected tragedy spawn out of the human's arrival.
K+, English, chapters: 14, words: 35k+, favs: 7, follows: 8, updated: 4/5 published: 1/28, Finn, Princess B. Bubblegum, Marceline A., Simon P.
1 Surprise by throwaway445 Had this idea in my head or a bit- damn I feel bad for anyone expecting my full attention to ongoing stories. Marceline discovers an unexpected surprise.
T, English, words: 5k+, favs: 1, 3/28, Princess B. Bubblegum, Marceline A., Simon P.
1Adventure time Stakes: Revamped by mohawkman78 Marceline and the gang deal with a group of reborn vampires. However within this story there's a twist, the vamps remember having their soul drained and were cast off for thousands of years in a hellish darkness. Having returned they now seek revenge. Will the gang be enough? Or will the Vamps win their second shot at world conquest!
T, English, Adventure & Supernatural, words: 1k+, favs: 2, follows: 2, 3/25
1Learn to Live » by throwaway445 Simon's been gone for a long time. The few memories he has are contorted, and aren't helpful for his readjustment to living in Ooo. Fortunately, he has family and friends who will help him. Feel the need to say it- I'm still continuing Diplomacy and Bloodshed, just not a ton of time to write. This was just a small idea that I'm interested in infrequently exploring.
K, English, chapters: 2, words: 4k+, favs: 3, follows: 3, updated: 3/22 published: 3/16, Finn, Princess B. Bubblegum, Marceline A., Simon P.
3Adventure Time with Zoe the Demon Princess by Kamiro G.S Meet Zoe Abadeer, the half-human, half-demon butt-kicking, bow-wielding, magic-using, saxophone-playing, yoyo-swinging, super cool adventurer. Oh, and also her two best friends Finn the Human and Jake the Dog. Come along as they explore the fantastical land of Ooo along as they fight monsters and solve problems.
K+, English, Adventure & Humor, words: 3k+, favs: 11, follows: 9, 3/18, Finn, Jake, OC
7Familiar » by ultrawaspscream Marceline meets a lost soul, Bubblegum reunites with a past regret, and Finn discovers a new land of humans. Dream SMP/Adventure Time crossover.
T, English, Angst & Friendship, chapters: 3, words: 5k+, favs: 15, follows: 16, updated: 3/9 published: 1/2, Marceline A., Princess B. Bubblegum, Finn
8En los muros del castillo » by Dichiro Marceline no tenía idea de todo lo que su presencia desataría en el castillo, pero solía creer en un cambio y por fin estaba sucediendo.
T, Spanish, Tragedy & Drama, chapters: 3, words: 11k+, favs: 7, follows: 8, updated: 3/7 published: 7/2/2020, [Marceline A., Princess B. Bubblegum]
6 The shadow of my life » by Raise257 After the attack of GLOB, there has been a royal meeting with all the royals in the land of OOO. A figure with a white cloak tells them something that would change everyone's future. Finn get involved in this situation, and discovers something... different. Rated T for Language. don't own AT, nor the image shown. COMPLETED. I'll try later on a better version of this story.
T, English, Adventure & Drama, chapters: 11, words: 14k+, favs: 8, follows: 8, updated: 3/3 published: 12/11/2020, Finn, Flame Princess, The Lich, OC
1Strange Lands for a Stranger » by CJWriter01 Finn is assigned to escort a human by the name of Nicholas Blackwater around the land of Ooo where he meets Princesses, a Vampire, and more on this strange but oddly exciting adventure.
T, English, Adventure & Romance, chapters: 2, words: 2k+, favs: 3, follows: 2, 2/25, Finn, Jake, Huntress Wizard, OC
19See That? That's the Monkey's Paw » by Excalibent When Princess Bubblegum heard of Jake's interactions with Prismo, she went to make her own wish. The aftermath was much more terrible than she had predicted.
T, English, Drama, chapters: 9, words: 9k+, favs: 34, follows: 39, updated: 2/23 published: 2/23/2014, Finn, Princess B. Bubblegum, Marceline A.
2Forget Me Not by CNY After the death of Jake, life isn't the same for Finn Mertens, he feels empty and aimless. But a new journey awaits, and a Legend is needed.
T, English, Romance & Hurt/Comfort, words: 1k+, favs: 8, follows: 11, 2/20, Finn, Princess B. Bubblegum, Marceline A., Huntress Wizard
Prismo's World (Based on a dream) by adventuretimestufff Prismo has pulled Finn and Jake into his home (which is very different from last time they were there) for a strange quest. As they move on through this journey, they begin to question this quest.
K+, English, Mystery & Adventure, words: 845, favs: 2, follows: 1, 2/18, Finn, Prismo
1 Inquiline in Adagio by TheSunsetDragon His brother just didn't seem the type for markings - for painful flourishes rendered with ink and needles on naked skin – and it's bewildering how he managed to overlook something so obvious and extensive. AU.
K+, English, Family, words: 3k+, 2/14, Earl of Lemongrab, Earl of Lemongrab 2