Adventure Time with Finn and Jake Crossovers
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Claws And Fangs by UnchainTheNight
How did Marceline get her sweater from "It Came From The Nightosphere"? Find out in this dream-chilling story.
Crossover - A Nightmare on Elm Street & Adventure Time with Finn and Jake - Rated: K - English - Supernatural/Horror - Chapters: 1 - Words: 561 - Published: 5h - Freddy K., Marceline A. - Complete
I Have Time For You by goldninja000
Marceline has been wanting to visit her friend. She decides to visit her in the Candy Kingdom. However, once she opens the door to where her friend is, she gets a shock. Though she cleared it up, there is something more shocking that it's almost unbelievable.
Crossover - Adventure Time with Finn and Jake & Life is Strange - Rated: T - English - Suspense/Romance - Chapters: 1 - Words: 163 - Published: 19h - Princess B. Bubblegum, Marceline A.
The Call Of The Beast by UnchainTheNight
A mysterious creature threatens to destroy the land of Ooo. Can Fin and Jake stop the beast before it's too late? And will they get help from an unlikely source?
Crossover - Jurassic Park & Adventure Time with Finn and Jake - Rated: K - English - Horror/Fantasy - Chapters: 1 - Words: 704 - Published: 11/23 - T Rex, Marceline A., Flame Princess, Finn - Complete
Adventure Time: The Thousand Year Derp by JadenYuuki
Pretty much just Paper Mario 2 with Finn and Jake in place of Mario. (Yes, both of them.) Rated T because PM2 is freakin' DARK man, f'realz. Written almost purely because the idea WOULDN'T LEAVE MY HEAD.
Crossover - Mario & Adventure Time with Finn and Jake - Rated: T - English - Adventure/Parody - Chapters: 2 - Words: 2,356 - Updated: 11/22 - Published: 10/25
Island Prisoners by Jessica Washington reviews
Being inside this camp, it feels like.. it feels like we're slaves. being forced to make our own foods, but then a quater of them has to be put in a box. every month, the box dissapears and then reapears the next day, empty. it's like, we are in a factory making stuffs. why has no one ever try to leave this place? but they say, when you leave, you'll get lost and never come back...
Crossover - Adventure Time with Finn and Jake & Gravity Falls - Rated: T - English - Adventure/Mystery - Chapters: 2 - Words: 2,032 - Reviews: 1 - Published: 11/22
Gumball and Darwin in the Land of Ooo 2 by FinnJake Fan reviews
Gumball and Darwin must go back to Ooo once again to retrieve the treasures they left behind! But trouble awaits them as they are labelled a criminal and must avoid capture. Sequel to Gumball and Darwin in the Land of Ooo.
Crossover - Adventure Time with Finn and Jake & Amazing World of Gumball - Rated: K+ - English - Adventure/Crime - Chapters: 9 - Words: 6,506 - Reviews: 15 - Favs: 2 - Follows: 2 - Updated: 11/20 - Published: 9/2 - Finn, Jake, Gumball W., Darwin W.
Adventure Into The Storm by GhostHunter94
You'd Think after the Ooo Zombie Apocalypse, the people would have it easy, but now they are once again fighting for their lives as they experience some of the worst weather they've ever seen.. Tornadoes..
Crossover - Adventure Time with Finn and Jake & Into the Storm - Rated: T - English - Adventure/Drama - Chapters: 5 - Words: 4,315 - Favs: 1 - Follows: 2 - Updated: 11/17 - Published: 10/10/2014 - Finn, Jake, Princess B. Bubblegum, Flame Princess
SAS : Adventure Time (Zombie Assault 4) by CoolDudeStar
This is the year of 3114 AD, A deadly virus has infected a federal town. Resulting the infection, leading towards to this deadly zombie apocalypse that Ooo is suffering. Finn, Jake, Ice King and Gunther managed to escape the land of Ooo and to find the cure to end the zombie wars.
Crossover - Adventure Time with Finn and Jake & SAS: Zombie Assault - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 7,287 - Published: 11/16 - Finn, Jake, Ice King, Gunter
The King of Thieves by The Mega Swordsmen reviews
What if in the episode "The City of Thieves", the King of Thieves is still alive and he is a certain blonde haired ninja that was imprisoned there thousands of years ago by a extremely powerful foe.
Crossover - Naruto & Adventure Time with Finn and Jake - Rated: T - English - Adventure - Chapters: 6 - Words: 16,232 - Reviews: 37 - Favs: 118 - Follows: 151 - Updated: 11/14 - Published: 7/25 - Naruto U., OC, Marceline A.
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: 62 - Words: 73,193 - Reviews: 23 - Favs: 6 - Follows: 4 - Updated: 11/13 - Published: 9/15/2013 - Luffy
Finn Joins the SM? by Clean writer
Master Hand gets a group of Smashers together to decide on some more fighters and Support staff. Finn and PB get an "VIP" invitation and decide to attend the event with however many more people. Will they both make the cut? Or will they be sent home? Rated T for the safety of the audience. (As usual, no suggestive themes, no course language)
Crossover - Super Smash Brothers & Adventure Time with Finn and Jake - Rated: T - English - Adventure/Romance - Chapters: 5 - Words: 6,976 - Updated: 11/10 - Published: 6/12 - [Ike, Samus A.] [Finn, Princess B. Bubblegum]
Extracurricular by Plesiosaur reviews
Crossover challenge fic! Hogwarts AU bubbline. Save water, bathe with your girlfriend.
Crossover - Harry Potter & Adventure Time with Finn and Jake - Rated: T - English - Romance - Chapters: 1 - Words: 2,041 - Reviews: 1 - Favs: 3 - Follows: 1 - Published: 11/8 - Princess B. Bubblegum, Marceline A. - Complete
Epic Rap Battles Of Cartoons by Aidanator reviews
Just what it sounds like. People rapping against eachother. Please tell us who YOU think won.
Crossover - Adventure Time with Finn and Jake & Regular Show - Rated: K+ - English - Parody/Humor - Chapters: 20 - Words: 5,715 - Reviews: 70 - Favs: 4 - Follows: 3 - Updated: 11/2 - Published: 3/29/2014 - Complete
10,000 Years of Slumber by SneaselXRiolu reviews
10,000 years of slumber. And we've awoken to our world, but, it's changed. Where is everybody? *Disclaimer* I do not own Steven Universe. Otherwise StevenXConnie would be cannon. I also do not own Adventure Time. Otherwise the grass sword would still be real
Crossover - Adventure Time with Finn and Jake & Steven Universe - Rated: K+ - English - Sci-Fi - Chapters: 3 - Words: 1,061 - Reviews: 32 - Favs: 20 - Follows: 25 - Updated: 11/1 - Published: 6/3
Adventure Time And Space, Too! by TheCrampReturns reviews
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... ON INDEFINITE HIATUS
Crossover - Doctor Who & Adventure Time with Finn and Jake - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 4 - Words: 7,518 - Reviews: 2 - Favs: 4 - Follows: 5 - Updated: 10/29 - Published: 3/11 - 2nd Doctor, Zoe H., Finn, Princess B. Bubblegum
Unbreakable Bonds by StarsNsyrup
New friends calls for new adventures, and the life of Isabella Swan is about to get really interesting.
Crossover - Twilight & Adventure Time with Finn and Jake - Rated: T - English - Friendship/Supernatural - Chapters: 3 - Words: 1,534 - Updated: 10/26 - Published: 10/25
Mad Scientists by PillarAngel reviews
Rick Sanchez and Princess Bubblegum are almost finished their latest inventions. However, they both require some... Like minded assistance. Will they be able to get the help needed to complete their scientific works?
Crossover - Adventure Time with Finn and Jake & Rick and Morty - Rated: T - English - Adventure/Humor - Chapters: 5 - Words: 11,651 - Reviews: 7 - Favs: 8 - Follows: 5 - Updated: 10/23 - Published: 9/22 - Finn, Princess B. Bubblegum, Morty S., Rick S. - Complete
AdventureSTUCK! by papern00b451 reviews
When the Alpha and Beta players won the game. The Trolls and Humans didn't know what the prize is, until they were send to the land of OOO. (Rated T for mostly Karkat language or other subjects i'm putting.)
Crossover - Adventure Time with Finn and Jake & Homestuck - Rated: T - English - Adventure/Fantasy - Chapters: 3 - Words: 14,758 - Reviews: 10 - Favs: 16 - Follows: 26 - Updated: 10/17 - Published: 4/13/2013
Adventure time and Fallout crossover- Adventure in the wastes by Widget of Toast reviews
A story about Dave- A student that has the worst day of his life.. the end of the world bad... But death can bring new life in more ways than one.. Dave has no idea what the Cosmic Owl has in store for him... Sorry about waffling- I like waffles and if you like it you can enjoy my waffles (Face palms)
Crossover - Fallout & Adventure Time with Finn and Jake - Rated: T - English - Adventure/Sci-Fi - Chapters: 10 - Words: 26,959 - Reviews: 1 - Favs: 5 - Follows: 5 - Updated: 10/14 - Published: 6/12 - OC, Finn, Princess B. Bubblegum, Cosmic Owl
NU: A World's Death by himayamata
The Bubblegums are missing. The cube is missing. Two worlds about to collide. The Land of Ooo will be invaded by ninjas and the Ninja World will face the undead entity Lich King. Will the people of two worlds work together to stop the collision or fight to destroy the other? (a King's Wish sequel)
Crossover - Naruto & Adventure Time with Finn and Jake - Rated: T - English - Adventure - Chapters: 6 - Words: 9,910 - Favs: 3 - Follows: 4 - Updated: 10/11 - Published: 5/12 - Itachi U., Deidara, Finn, Ice King
Oc vs oc by vanossgaming
My oc named fireboy wants to fight your oc
Crossover - American Dad & Adventure Time with Finn and Jake - Rated: K - English - Suspense/Adventure - Chapters: 2 - Words: 167 - Updated: 10/7 - Published: 10/4
Be My Beginning by I am Red Bull reviews
Set in the future supercontinent of Novopangea, Princess Annabelle of the Last Human Kingdom finds an injured Time Lord after his crash landing in her Kingdoms hinterland. Together they unravel shocking secrets of this worlds past, and its future. Contains two stories: Be My Beginning (Complete) & Kingdom In Twilight (In-Progress).
Crossover - Doctor Who & Adventure Time with Finn and Jake - Rated: T - English - Sci-Fi/Adventure - Chapters: 21 - Words: 90,526 - Reviews: 51 - Favs: 9 - Follows: 11 - Updated: 10/1 - Published: 12/30/2013
Entre-Dimensiones by Elfin245
Un chico llamado Luis se adentra a explorar las dimensiones desconocidas pero para nosotros conocidas y luego de unos eventos se encontrara en una lucha por salvar los multiversos de una amenaza aun desconocida junto con sus amigos que lo siguen por las dimensiones.
Crossover - Misc. Cartoons & Adventure Time with Finn and Jake - Rated: T - Spanish - Adventure/Humor - Chapters: 2 - Words: 4,122 - Updated: 9/29 - Published: 9/19
Marshall Lee Vs Jeff The Killer by KandyGirl4U
Marshall Lee is bored with his life. No challanges. He was the biggest threat there was in the land of Aaa. Marshall and his bunny earred friend leave in search of something worth their time. Jeff the killer is not one to knock killing people but the lifestyle is boring when no one fights back. Slendy gives Jeff a file with someone worth his time. May the best killer... Kill.
Crossover - Cartoon X-overs & Adventure Time with Finn and Jake - Rated: T - English - Horror/Humor - Chapters: 1 - Words: 161 - Favs: 1 - Follows: 1 - Published: 9/26 - Marshall Lee, Fionna, Cake, Prince B. Gumball
Turning over an Ooo Leaf: (CANCELLED) by Pikminsanity
Sorry to say this has been cancelled. It didn't get a whole lot of attention and I lost inspiration and the crossover sections don't get as many visits as the regular stories. :/ If you absolutely must find out the next part, PM me so I know you want to see it!
Crossover - Animal Crossing & Adventure Time with Finn and Jake - Rated: K+ - English - Romance/Humor - Chapters: 4 - Words: 2,282 - Updated: 9/20 - Published: 3/2 - [OC, Finn] Princess B. Bubblegum, BMO
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