When Penny finds a mysterious book, Ruby and her friends are launched into a mysterious new world. Now they have to find each other, trounce some bad guys, and save the Star Spirits - and the princess. Shamelessly ripped off from... I mean, INSPIRED by Paper Mario Eds.

When a party gets crashed by Bowser and Roman, it is up to Mario and RWBY to put a stop to them. Will they be able to stop them this time with the help from other Kingdoms?

When Bowser suddenly takes over the Mushroom Kingdom and traps everyone inside it, it is up to Yoshi, CFVY, Penny, Pit, Doc, and even Princess Daisy to save them! Will they be up to the task, or will Bowser become the new ruler of the Mushroom Kingdom? And who are these two new Huntresses?

after events went differently and yang got beaten at junior’s bar by his bodyguard,a turtle faunus by the name bowser,she decides to to rest until she beats him,but mysterious forces planning to do evil forces her to accept him as his ally,how will this go

Team RWBY were sent to investigate a mysterious warp-pipe that lead to the Mushroom Kingdom before an unknown witch stole something from Princess Peach's possession. The girls team up with the Mario Bros to help them recover it back. Added with side stories. (OC Submissions CLOSED for now)

the professor was craving a new machine, by accidentally Mario pressed that sent him and smg4 to Remnant. Mario and smg4 met a couple of new friends.

When the Mario Bros, Peach, RWBY, JNPR, Sun and Neptune go to Yoshi's Island, Bowser once again kidnaps Peach! With the help of Yoshi and Poochy, along with the crazy Reds and Blues, they set off to save Peach from Bowser... but who's this mysterious girl that's with them?

When the Blood Gulch crew makes a teleporter to find the woman who's responsible for making Church and Simmons go crazy, they are sent straight to Remnant! Will they find this woman... or will they be screaming their heads off while not realizing it's Halloween?

Mushroom Kingdom was at the brink of collapse. One man, driven by hatred, had unleashed a terrible darkness on the land. To brave that darkness, Light rose up, and in the final battle that followed, it prevailed. But that light did more than just banish a shadow... And now these lost souls must brave a new land, with nothing but themselves and the guidance of a star.

When the Grimm invades the Mushroom Kingdom and Mario, Luigi and Peach have been kidnapped by Bowser, it is up to Team RWBY to put a stop to this and save the Mushroom Kingdom! But who's this mysterious trio that's working with Bowser?