Book Four: TO NEGOTIATE WITH DELINQUENTS. Hunson Abadeer, the Supreme ruler of the Nightosphere and "Lord of Evil" meets the "rag-tag gang of buddies". What a motley crew. Enjoy the cheesiness. Crossover AU.

Finn is being hunted by space hunters. But then the land of OOO is infested with vicious xenomorphs as well! Can Finn save is friends and himself from a terrible threat or will this be his final battle? Rated M for blood and gore!

Sequel to "Adventure Time and Regular Show Xover Extravaganza! After the events of the previous book, Finn, Jake, Mordecai, and Rigby must now find a way to return to their original bodies! Also, Rix the assassin has not yet given up on killing Beemo! Expect all the action from the prequel, and (maybe) even more! Also, you the readers voted, and the Destroyer of Worlds is coming!

What if Regular Show and Adventure Time existed in the same universe and the Regular Show characters dealt directly with the Mushroom War? This is told in my new series. In Part 1, Mordecai and Rigby encounter certain magical forces known in Adventure Time, leading up to the Mushroom War. In it, they struggle to overcome insanity from these new objects. *Will update regularly*

From the first 2 Regular X-Men Show Stories. The Regular Show and the X-Men Gang are now travel to the Adventure Time Universe to find Deadpool. What will happen if they got there? Include OCS. T for Language, Violence, Sexual Themes, and Drug themes.

Finn and Jake found a portal and meet Mordecai and Rigby. Will they come back to Ooo? Will they stay there forever? What's happening to Ooo without them? (Read this please.)

Hunson is at it again with an entire new season with some new and old characters alike hoping to get a second chance with soon to be featuring Nathan Drake (spoiler for second chapter)...

Finn and Jake meet a demon from a place called Hell. Finn gets turned into a vampire, ironically, to extend his life, and a half devil helps Finn retrieve the same sword he lost. Things can't possibly get worse...right? FinnXMarceline, DanteXLucia

What if Finn and Jake lived in the Fallout world? First X-over

Benson is left hard and cold after the mushroom war. It didn't do him any good. He had to shoot down innocent men. That was 10 years ago. Now Benson must contain everything and work as a manager for a park, bottling up the war. When a daughter he never knew about comes back, he must be the best father a man can be. CANCELLED

It's a normal day at the park, so why not a normal visit to the coffee shop? But what will happen when Rigby opens a portal to a strange new world called Ooo? How Mordecai, Rigby, Margaret and Eileen get home? Will they meet other people? Find out by reading!

Finn wishes for a human world, Len wishes for a cartoon world. When the two boys find out about each other (and realize how amazing it is that they look alike!) they decide to switch lives for a day. But once they do, they only cause more trouble. Will they be able to fix things up? Or will they stay in the opposite's worlds forever?

The twelve trolls complete their game and end up on the meteor because an unseen force rips through their session. This time however, the Earth they created will turn into the Land of Ooo. Finn, Jake, Marceline, and Princess Bubblegum will go through a SBURB session, and a new adventure takes place.

Princess Bubblegum invites the gang for a cruise on the candy Kingdom's revered S.S. Candy Coating. But when the Ice King attacks the ship in retaliation to not being invited, they crash on Isla Sorna. Now they are forced to survive on InGen's Site B. What time is it? Jurassic Time!

This FF is basically what the title says...Full summary in my authors notes inside, in the beginning. Flame Princess Katniss Everdeen. Yeah Romance with Finn in games, and training. Friendship with others later on. JUST READ!

Our favorite Zeppo gains a new, strange perspective on life on the Hellmouth. As the first (and only) Vampire King, he's fighting the good fight in a new way - and stopping the world from ending. Again.

When Betty is just about to die, a strange man appears and saves her life. Now she's seeing things she never believed, and it's just getting started. What if this man happens to take her to the land of Ooo after the Apocalypse? What if she unexpectedly meets an old friend who doesn't remember her?

It's more Sasuke this time. But this time he saves the kingdom. But it was a practice run more like.

What would happen if Sherlock and John got stuck in a children's show? What if Morearty got hold of a devise that could destroy the world? read here to find out more. I do not own Sherlock or adventure time. Rated T just in case.

This story takes place between Soul Reaver 2 and Defiance. Both Kain and Raziel find themselves in a abandoned chamber that permits inter-dimensional travel. As they were banished by Moebieus, the time Streamer. Raziel and Kain were to be sent to various different worlds. Raziel finds himself in the land of Ooo and eventually associates himself with Finn the human and Jake the dog.

en este fanfic marceline se va de viaje por 3 años y por eso finn se siente muy solo ya que todos sus amigos estan ocupados y marceline era la unica con la que el podia estar (porque ella tiene mucho tiempo libre)y el piensa que empieza a sentir algo por ella, pero marceline vuelve antes de tiempo y el resto se los dejo en la historia

Long after the Mushroom War, Zim wakes up from stasis and finds that the earth has changed. No humans and no Dib. He now resumes his quest at world domination in the Land of Ooo but he soon runs into someone as troublesome as Dib. the last human, Finn. COMPLETE.

Book Four: TO NEGOTIATE WITH DELINQUENTS. The gang meets the Nightosphere! Enjoy the cheesiness. Crossover AU.

There is a huge monster seeking destruction in Ooo, But what happens when they seek the crew from The Mystery Shack for help when they learn it is a dimension traveling monster. Sorry this Summary sucks but it's much better then it sounds. It will crossover with many shows eventually but mainly its Adventure Time/Gravity Falls. Rated T for Violence. Chapter 3 is up! ON HIATUS

A literal bolt from the blue leaves Vanellope a whole new outlook on life. Rated T for later chapters, R&R, hope you enjoy :)