Though it all may seem easy, it's not. As a plumber, a kid with a pink hat, and a half-gem all need each other's help, they think it's clear how things are going to go. But what can they expect, when the journey takes place across multiple dimensions, when there's trust involved, and when things are not what it seems... (NOTE: This fic is being revamped on Ao3!)

Sometime after their first meeting, KBG4 and Kitten-Chan are spending a peaceful afternoon date when it starts to rain, which disrupts their outing.

After years of neglection and many attempts to become a fighter in Smash, Waluigi hits his breaking point and unleashes a frightening new power of terror upon the Mushroom Kingdom. It's up to Mario, SMG4 and the gang to stop Waluigi from destroying the world, even if he doesn't get to be in Super Smash Bros. (Based on The Waluigi Arc) (In-Progress)

After a battle with Bowser and Dr. Eggman results in the total destruction of the Paradox prism Mario and Sonic are scattered across the universe in worlds they do not exist and worse there is a group called the Chaos council together out to get them now Mario and Sonic must team up with other versions of their pals if Mario and Sonic ever wish to go home

Wario (Mario's rival) and Knuckles (Sonic's rival) team up in a rivalry of who's best at their game!

After her latest heartbreak, Bowsette Koopa moves to Amity Park and meets Danny Fenton. However, she tries to avoid another heartbreak only to fall for Danny. Can Bowsette find new love, or will she be heartbroken all over again?

After being hired by Bowser to take down Mario, Ridley decides to head to the Mushroom Kingdom wearing Mario's hat to taunt them. Things go wrong when everyone somehow mistakes him for the real Mario and Ridley quickly finds himself thrust into one unexpected adventure after another alongside a ragtag band of strangers and familiar faces.

Three years later, the Little Einsteins enjoy life before they received an invitation to attend a party at the Mushroom Kingdom.They travel there and meet new people, but disaster strikes when Big Jet joined forces with Bowser and they kidnapped Peach, Quincy, June, and Rocket. Now Leo and Annie must join Mario, Luigi, Toad and Toadette to save them and the Mushroom Kingdom.

Based on my old comics called “Super Brudahz”, this takes place between Mario Parties DS and 9 where Kooper (Koopa Kid) goes to middle school.

After opening a mysterious music box the day of her thirteenth birthday, Anne Boonchuy, along with her two best friend Marcy Wu and Sasha Waybright, are magically transported in the land of the Mushroom Kingdom. Now, the three girls will have to join forces with the local hero and other new friends to defeat the nefarious Smithy Gang and find a way back home.

A side collections of stories within the Super Trails Universe. Each stories tell different scenes that has been going on lately. Wonder what kind of adventure they have. Let's find out!

"In your own time, feel free on reading about my experiences with the most discussed figures in this journal."

A MHA and Bowser SI mashed together. Please enjoy. Also Posted On Royal Road

Gumby and his horse is trapped in the Sodor world, where he meets Thomas and his friends. But all turns dark when the evil artisan and Diesel 10 team up to destory them once and for all! Will Gumby and Thomas use there new powers to save the day?

Jump into the fun as Straw-Hat Pirates Luffy and Zoro travel to a new world to stop an evil Warlord from taking over the world

The end of the year is upon the Mushroom Kingdom and Saiko's band is hosting a party, but the year has one more surprise for the anime girl when a special someone shows up before the show starts...

Two heroes of red and blue from different worlds have lost someone close to them. It was tough for both to deal with the pain. But after another accident occurs, they cross paths in an unexpected situation. These heroes, known as Mario and Sonic, eventually learn about each other and promise to protect themselves from their enemies as they unknowingly form a special bond.

Princess Peach and Donna's trip to the Sparkle Theater goes off script when the wicked Grape and the Sour Bunch steal the show! They use The Sparkle Ribbon to close curtains on this tragedy by using a powerful ribbon and taking on several starring roles—each with their own look and abilities.

After the last Splatfest, Rider, Hachi, and Nana started noticing a symbol everywhere in Splatsville that looks strangely similar to Kamabo Corporation. After a chance encounter with a strange Inktoling kid named Olly, the puzzle starts fitting itself together. (Cover in process! I have not read past volume 4 in the manga series.)

Following the battle with Zero, Mario and SMG4 investigate the mystery surrounding the Guardian Pods, the SMGs and the other secrets the universe has to offer. Perils are encountered and secrets are revealed with neither Mario or SMG4 aware of how high the stakes are and how vital Mario is to the survival of the universe if Zero returns... (Based on the SMG4 Cosmology Lore)

Mario, Sonic and their friends take part in a dangerous mountain trek together. The ascension is followed from the point of view of four teams: Mario/Blaze, Peach/Amy, Knuckles/Wario and Luigi/Shadow. English traduction of the fanfiction Mario et Sonic: Piège en haute montagne. Original publication on Fanfic-fr on 05/22/2018

Bowser hosts a Christmas gathering with his fellow video game villains, which almost goes awry, especially with how Octavio decorates the tree and how someone gets to be a DJ for the impending Christmas party. Merry Christmas from the villains of video gaming!

When Bowser and Eggman plans to steal Christmas Mario and Sonic must team up to save thier worlds

(Originally by legendofzeldarocks) After a scam goes wrong, the Eds and the other Peach Creek kids find themselves scattered across a strange new world. In a place known as Rogueport, Double D and Nazz must now embark on a journey to find their friends and race against evil to solve the mystery of an ancient door hidden underneath Rogueport.

Witness two separte Mario and Kirby adventures