Among the many events they are competing in within the Olympic Games, Mario and Sonic find themselves head-to-head in a running contest. Having always been intense rivals, both are determined to win. Only one can take home the gold medal, so who will it be? One-shot.

After saving the Sparkle Theatre from Madame Grape, Peach has decided to show Mario the place where she starred in many plays. She evens shows as far as the show him the different forms she took on here. Which of the princess’ amazing costumes will the plumber reveal he likes her best in?

Join your favorite SSU Crew as they jump into various video games! The SSU Crew decides to jump into the world of Paper Mario, a land made completely of paper! Can the crew make it through the story of Paper Mario in their own unique ways? How will the original plot react with the inclusion of the teens? Read and find out! Rated T for minor language.

Based on a request from Arandomperson2567. In an alternate universe, Princess Peach was born into the Beanbean royal family instead of the Mushroom Kingdom's. And with this unique position comes a unique set of challenges...

The world was saved from a tremendous evil. Mario returned home once more, his quest complete. Princess Peach was safe, and the ancient, nefarious secret that waited beneath Rogueport had been uncovered and laid to rest forever. ...However, the story did not end there. Everyone's lives marched on. And now, Vivian must find her own way forward.

When Peach receives a strange letter and map, her, Mario, and Luigi were certain they would take very little time to recover the item and keep it safe. But when their ship gets shot down and a treasure hunt begins, things will definitely go out of hand, and quickly. A new villain steps into the scene, and Mario can't seem to stop them alone.

When Dark Land is ravaged by a fire storm, Ludwig and Iggy set out to find the cause of this weather pattern. But it turns out to be too late by the time they realize the answer is much closer to home... Cover image by me.

An epic rap leads to a deadly trap

When Bowser accidentally revives Grape, she tries to pull him into a plan where they can both get what they want. Unfortunately, it seems like fate has different plans. (Not connected to my main AU.)

As it feels like the worst is behind her, Now-Queen Peach resumes rule of the Mushroom Kingdom. Sadly, due to the costs of having upheld the Ultimate DoubleDash Tournament, everything seems to only be getting worse. With Rates of Violence reaching new highs and rates of approval dropping by the day, can Queen Peach handle her self-inflicted destruction? (Now rated M)

Peach never denied it. He was told she was and then she wasn't. Now Junior knows the truth.

When the world is at threat of being taken over by an old villain, it is up to a group of people to work together and travel through familiar places to collect various items to help them win the war for justice. However, with brutal injuries and much drama happening at almost every moment, will anyone make it through this mission alive?

After helping Mario defeat Bowser Jr., Harley Quinn's search for Luigi leads her to join forces with Daisy, Pauline, and a tax-evading Yoshi to combat the Koopalings' latest scheme. Spinoff of "Mario's Galactic Tale."

In the early hours of the morning, a king ponders his relationship and the future of their lives, as his seemingly-slumbering lover listens to his thoughts.

Mario and Luigi are trying to make it in Brooklyn, doing what they do best. After an incident in the city splits Mario from his brother, he must learn how to survive in this new environment. When his fathers old rivals in the Jungle Kingdom sniff him out, it's up to him to save his dad, and find out so much more about this brand new world! Who will he encounter? Find out right now!

While Wendy's enjoying a week-long celebration for her birthday at a luxurious resort with her friends, her brothers are experiencing bizarre changes back home. They must find the cause and end it… Even if that means crashing Wendy's festivities.

Birthday present for supermariobroultimate! Celia and Aqua get to see each other for the first time in a while, and they decide to do some interesting experiments together.

The twin brothers, Mario and Luigi, the plumbers from Brooklyn, are just a couple of everyday men who have something behind them, which they can not tell. One day, a mysterious woman from another world has led them to fall into another world in exchange to face the evil Bowser. This is the beginning of their journey. Oh, and Pauline is involved with the bros as well. (AU?)

Después de tantos años siendo la sombra de su hermano Mario, Luigi decide que quiere demostrar que es más que solo el segundo lugar, así que reta a Mario en una competencia, para demostrar su valor, en un juego por el orgullo de ambos hermanos.

After Mario rescues Peach for what is possibly the billionth time, Bowser decides that he needs to find a new way to mess with the Mushroom Kingdom's hero. And what better way to do that than by transforming him into something he absolutely despises: a koopa?

Bowser's Castle is a fiery, mechanical nightmare of all different sorts. Of course, there's many Bowser Castles all over the world, but that's because Bowser love to show off himself. He is a big egotistical ruler of turtles and mutated fungus, after all.

Join Mario, Luigi, Vivian, Bowser, and the others as they navigate through a new era for the Mushroom Kingdom, and try to put and end to the evil things happening beyond the castle walls, once and for all. (Mario x Vivian)

Ludwig learns about the responsibilities and hardships of being an older brother. With his musical talent, he helps his younger siblings discover their own talents with the additional help of their parents.

Grape finds the gift of a music box, and discovers a past she didn't even know existed. Rex had been hiding something, and now it's finally time to face him. (Side story to All for Us.)

Join Popple, Fawful and Peasley as the trio race to treasure, (takes place after Inside Story)