Ludwig volunteers to take part in this year's series of I'm A Koopa and despite all the tough challenges and trials Ludwig faces in the jungle, he gradually forms a very special relationship with a very special girl...

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!

When Mario dares Luigi to dress up like the princess,he thought nothing could go wrong.It went worse than wrong and he was kidnapped by the Koopalings!Now he's trapped in Bowser's castle with a fever and,falling for him?What else will happen to Luigi?(Goes to Bowser's Pov a bunch of the chapters.)

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)

The final showdown with Darethend is at hand, and Princess Shroob's help is what they thought would be the best option. Davidonell and Grape finally reunite, and Darethend won't stop until everything is destroyed. Just when all seems lost, Olivia finally awakens something that's been sleeping inside her since the beginning. (Takes place after The Heartless Centaur.)

Sequel to Vassal Princess. Having grown up in an unloving household, Bowser wants Junior's ascension to the throne to not be as traumatic as his was. To ensure everyone accepts his future successor (and to have quality time with Peach), Bowser embarks on the royal tour of a lifetime with his clan.

Femslash-fic, F/F. Sequel to Toying With Them. Mayor Pauline was once a toy designer for the Mushroom Kingdom, but has moved on to help take care of New Donk City. Still, she likes to keep contact with her precious Princess Peach. However, on this particular visit, things take a twist.

Get ready for an amazing series featuring the Mushroom Kingdom All-Stars! Join Mario, Luigi, Bowser, Peach, and the rest of the crew in a series of adventures and fun!

What kind of mayhem can happen when Daisy finds a Tanooki Leaf?

Rodrigo and Alex, two cousins, are ready to join the Royal Tennis Academy, the most prestigious tennis academy of the Mushroom Kingdom. Their dream: To surpass the legendary Princess Peach and the greatest tennis player of all time, Super Mario! On their way, they'll meet great friends, powerful rivals, and the vigillance of Headmaster Bowser! A Mario Tennis AU. Spanking warning