Adventure Time with Finn and Jake Crossovers
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Kiru by Chairmanz Fluffy reviews
After L's death, he is transported to the Land of Ooo where he must face a new opponent: Kiru
Crossover - Death Note & Adventure Time with Finn and Jake - Rated: T - English - Drama/Romance - Chapters: 5 - Words: 5,121 - Reviews: 3 - Favs: 4 - Follows: 2 - Updated: 3/29 - Published: 3/16/2014 - L, Princess B. Bubblegum, Marceline A. - Complete
Survive the Nightosphere 13 by mah29732 reviews
What happens when you get Hawkeye, Oliver Quinn, Ren, Stimpy and a few other surprises put together? Answer the 13th season for Survive the Nightosphere!
Crossover - X-overs & Adventure Time with Finn and Jake - Rated: T - English - Suspense/Humor - Chapters: 20 - Words: 17,338 - Reviews: 17 - Favs: 3 - Follows: 1 - Updated: 3/28 - Published: 11/15/2014
book of dungeons by darkasumaru reviews
something has fallen in wish of Kami and it so happens to end with Naruto, now read as Naruto reads and play through the book and make it to the end. and face his enemies in real life as well.
Crossover - Naruto & Adventure Time with Finn and Jake - Rated: T - English - Adventure/Fantasy - Chapters: 1 - Words: 1,940 - Reviews: 1 - Published: 3/28
The Twin Selection by Emily Hart
Fionna is a regular girl. She never wanted to go to the palace. She didn't want to be a princess, let a lone join the selection. But when she is picked, she doesn't know what to expect, being that she has to choose one of the two princes, and that there is 69 other girls there as well. She is so not having a good day. T just in case.
Crossover - Adventure Time with Finn and Jake & Selection Trilogy, Kiera Cass - Rated: T - English - Drama/Romance - Chapters: 1 - Words: 1,418 - Published: 3/26
The Great Oblivion Crisis by The Mysterious Sentinel reviews
Simon and Marcy were cornered, death was imminent... but then The Crown saved them. They were frozen, and who-knows-how-many years later; were freed in Cyrodiil. Now they have a whole new dangerous situation to survive in. But then they stumble upon something...
Crossover - Elder Scroll series & Adventure Time with Finn and Jake - Rated: T - English - Adventure/Family - Chapters: 9 - Words: 26,978 - Reviews: 7 - Favs: 10 - Follows: 11 - Updated: 3/24 - Published: 5/6/2014 - Hero of Kvatch, Ice King, Marceline A., The Crown
Wait WHAT by lucylovejane
our favorite demigods mix with our favorite cartoon
Crossover - Percy Jackson and the Olympians & Adventure Time with Finn and Jake - Rated: T - English - Humor/Drama - Chapters: 1 - Words: 92 - Published: 3/22
Revenge is Sweet like Bubblegum by Adventure Show reviews
PB still lives and she decides to kidnap Finn's and Flippy's kids.! Read as The gang tries to retrieve their kids and the kids turn the tables! Read to find out what happens!
Crossover - Happy Tree Friends & Adventure Time with Finn and Jake - Rated: T - English - Suspense/Romance - Chapters: 4 - Words: 1,763 - Reviews: 8 - Favs: 2 - Follows: 1 - Updated: 3/19 - Published: 9/26/2013 - Flippy, Flaky, Finn, Marceline A.
You Wake Up In Aaa by TimeManipulator99 reviews
When one wakes up in a strange world, they must adapt. That's exactly what Decker does. Between the return of the Lich, Gentek, and trying his best to fix Finn's relationship problems, he definitely has a full plate. Under the tutelage of Alex Mercer, Decker looks for the perfect solution to the problems of Ooo. ...and perhaps go a little mad along the way.
Crossover - Prototype & Adventure Time with Finn and Jake - Rated: T - English - Romance/Adventure - Chapters: 12 - Words: 27,679 - Reviews: 17 - Favs: 15 - Follows: 14 - Updated: 3/19 - Published: 8/15/2013 - [Finn, Flame Princess] Alex M./Zeus, OC
la creación de un shinobi by dantrecx
Es la historia de un chico que se muda a un lugar normal pero un suceso inesperado lo hara volver de donde vino para derrotar a un enemigo que sera muy ágil Puede contener limon y un poco de palabras fuertes
Crossover - Naruto & Adventure Time with Finn and Jake - Rated: T - Spanish - Romance/Adventure - Chapters: 3 - Words: 1,479 - Updated: 3/18 - Published: 2/10
Adventure Universe! by Masked-Star-Topaz reviews
Topaz was your average Gem, until she had a friendly fight with Steven. Watch Topaz, Steven, and Connie try to get home. Making Friends with everyone's favorite Adventurers!
Crossover - Adventure Time with Finn and Jake & Steven Universe - Rated: K+ - English - Adventure/Humor - Chapters: 5 - Words: 5,477 - Reviews: 7 - Favs: 3 - Follows: 3 - Updated: 3/18 - Published: 2/28 - Complete
An Adventurer a Samurai and The Sage by Jacob.Uzumaki
A new hero and his friend's have came to the land of ooo as well as jack to hope of stoping the evil the came in as well will finn and jake beable to help or not
Crossover - Samurai Jack & Adventure Time with Finn and Jake - Rated: T - English - Adventure/Fantasy - Chapters: 1 - Words: 2,492 - Published: 3/17
Crown Of Ice And Snow by Meiousei Dark reviews
Before the war, Tadashi ended up with a seemingly normal crown, but it was far from ordinary. It gives him the powers of the ice and snow, but it cost him his sanity. He's afraid of hurting anyone, especially Hiro. Tadashi has to survive the war with Hiro who is now a bloodsucking vampire. 1000 years later, Tadashi is king of the cold and now Hiro has to help him remember himself.
Crossover - Adventure Time with Finn and Jake & Big Hero 6 - Rated: K+ - English - Supernatural/Family - Chapters: 3 - Words: 4,504 - Reviews: 6 - Favs: 9 - Follows: 11 - Updated: 3/16 - Published: 1/30 - Hiro Hamada, Tadashi Hamada
Expired by UnusualRuins
On the Starchie's Morgue the crew are tasked with the resupplying of cargo ships. These cargo ships transport minerals beyond counting are destined to be used in building new colonies for the ever expanding Land of Ooo. However a particular cargo ship might hold something that will lead to the collapse of the Land of Ooo itself.
Crossover - Dead Space & Adventure Time with Finn and Jake - Rated: T - English - Sci-Fi/Horror - Chapters: 2 - Words: 5,091 - Updated: 3/13 - Published: 2/6
Adventure Time And Space, Too! by TheCrampReturns
The day after Finn's romp in the Astral Plane, he, Jake, and Princess Bubblegum are concerned with the comet heading straight for them. Add to that the Ice King acting up again, and they've got quite the mess to clean up. But a blue box holding a panicky man and his friends inside might just be the herald of an even greater and more pressing danger from Mars... REVIEW, YO!
Crossover - Doctor Who & Adventure Time with Finn and Jake - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 1 - Words: 2,543 - Favs: 2 - Follows: 2 - Published: 3/11 - 2nd Doctor, Zoe H., Finn, Princess B. Bubblegum
Time To Attack by outside da box
This is Adventure Time fighting Titans. But Fiona and Cake. Not Finn and Jake. So they start off fighting Titans. All of the characters are in it, some will portray AOT characters, but probably not. No AOT plot so far, just Adventure Time fighting Titans.. Simple as that...
Crossover - Adventure Time with Finn and Jake & Attack on Titan/進撃の巨人 - Rated: T - English - Adventure/Drama - Chapters: 1 - Words: 640 - Follows: 1 - Published: 3/9 - Marshall Lee, Fionna, Cake, Ice Queen
Naruto and Adventure Time Crossover Challenge by Hartha
I am wondering if there are any authors that can pull off this challenge. I haven't seen any good crossovers with Adventure Time. Most of the Authors that I have seen try this and many other crossovers are plagued by either bad grammar, bad spelling, or both. Challenge details are inside.
Crossover - Naruto & Adventure Time with Finn and Jake - Rated: K+ - English - Chapters: 1 - Words: 136 - Published: 3/9 - Naruto U.
Vault 102 And The Land Of Aaa by TheWolfThatWrites
(Inspired By Saraha-098's Fallout And Adventure Time Crossover) Calypso And Clyde Like To Explore. They Play Pranks, Made Friends, And Even Battled Bullies. But, They've Been Crammed Into This Vault For 16 Years, And Now Want An Answer To The Outside World. But When These 2 Twins Get Sent To The Outside World, They Start And Join The Adventure Of A Lifetime, And Get Their Answer.
Crossover - Fallout & Adventure Time with Finn and Jake - Rated: K+ - English - Adventure/Drama - Chapters: 1 - Words: 541 - Published: 3/8
Regular Show VS Adventure Time by Jerry Smbxworld
One of the 2 greatest shows on Cartoon Network compete in Family Feud!
Crossover - Adventure Time with Finn and Jake & Regular Show - Rated: K+ - English - Humor/Friendship - Chapters: 1 - Words: 1,012 - Published: 3/6 - Finn, Jake, Mordecai, Rigby
Turning over an Ooo Leaf: AC-AT crossover by Pikminsanity
The little town Estelia gets a new mayor named Michelle. The next day, Finn, Jake, humanized Beemo, and PB move in from Ooo. Before you know it, Michelle and Finn realize they have feelings for each other... I don't have a way for this to end. Based on some weird roleplaying i did. FinnxMichelle WEIRDNESS AHEAD lol :D Might not post new chapters often, Hope u enjoy nonetheless. :)
Crossover - Animal Crossing & Adventure Time with Finn and Jake - Rated: K+ - English - Romance/Humor - Chapters: 3 - Words: 2,188 - Updated: 3/4 - Published: 3/2 - [OC, Finn] Princess B. Bubblegum, BMO
Henchman by Lombre-Fools reviews
Cover Art by ReiShiba on Deviantart. 'Demon Swordsman' Crona wakes up in the plains of Ooo with little memories of his past life. After a run-in with Marceline, the Vampire Queen, Crona is forced to become her henchman for the rest of his life. Two lonely, (yet completely opposite) people in a land of adventure and whimsy. What could possibly go wrong? Crona/Marceline
Crossover - Soul Eater & Adventure Time with Finn and Jake - Rated: T - English - Romance/Fantasy - Chapters: 8 - Words: 11,599 - Reviews: 17 - Favs: 18 - Follows: 25 - Updated: 3/2 - Published: 12/27/2013 - [Crona, Marceline A.] Ragnarok, Hunson Abadeer
Switched! by Kanade Takeda reviews
What if all the Fairy Tail Characters turned into Adventure Time Characters? And vice versa? What would happen and what sort of situation would this cause? Don't ask me! (NatsuxLucy, GajeelxLevy, GrayxJuvia, JellalxErza, MirajanexLaxus) (Flame PrincessxFinn, FionnaxMarshall Lee, JakexLady, MarcelinexOC)
Crossover - Fairy Tail & Adventure Time with Finn and Jake - Rated: T - English - Mystery/Romance - Chapters: 1 - Words: 1,863 - Reviews: 1 - Follows: 1 - Published: 2/24 - Lucy H., Natsu D., Fionna, OC
PnF x AT: Halloween Terror by UndercoverAgent12
Phineas, Ferb, and Perry visited Finn and Jake for Halloween Eve, but terror is about to haunt them. (Randomness... written when/before I was 12 yrs. old) Enjoy
Crossover - Phineas and Ferb & Adventure Time with Finn and Jake - Rated: K - English - Horror/Humor - Chapters: 1 - Words: 2,111 - Published: 2/22
Omeletes, Death Threats, and Asinine Morons by GearSolidSnake reviews
Jake spends a rather mellow Saturday morning with cheesy eggs, chuckling off psychopaths, and confronting an absolute asinine moron...One-Shot teaser for an upcoming six-way crossover.
Crossover - Adventure Time with Finn and Jake & Homestuck - Rated: T - English - Humor/Friendship - Chapters: 1 - Words: 2,623 - Reviews: 2 - Favs: 1 - Follows: 1 - Published: 2/21 - Jake, Karkat V., Terezi P. - Complete
el pirata que se convierto en heroe by zangaman reviews
luffy (ooc) cae a una tierra extraña llamada ooo, al perecer nuestro héroe encontrara nuevos amigos y enemigos nuestro héroe a encontrado la aventura y el amor. PD: imaginen a hora de aventura en anime finn tiene 15 años en esta historia.
Crossover - One Piece & Adventure Time with Finn and Jake - Rated: T - Spanish - Adventure/Romance - Chapters: 57 - Words: 64,826 - Reviews: 21 - Favs: 1 - Follows: 1 - Updated: 2/19 - Published: 9/15/2013 - Luffy
The Punk Rocker Girl and the Adventure Boy by PerkyGoth14
This is Yumi's POV of how she met Finn before she came to the island. This is a side story from Cartoon Cartoon Island. Adopted from cartoonnetwork90sfan. Yumi is labeled as OC because she has no character category for her selection.
Crossover - Hi Hi Puffy Ami Yumi & Adventure Time with Finn and Jake - Rated: K+ - English - Romance/Friendship - Chapters: 1 - Words: 580 - Published: 2/18 - [Finn, OC] - Complete
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