Genesect's final space adventure begins in the Super Mario Galaxy Crossover Fanfiction. The Invasion of All Aliens Squad, the I.A.A.S., threatens to conquer the galaxies and enslave the inhabitants. It is up to Genesect and Jirachi to save the galaxies and stop the I.A.A.S. once and for all in Gemerl720 Post's last ever Fanfiction.

Bowser suddenly takes over the Mushroom Kingdom and traps everyone inside it. Now it's up to Class VII and some friends they made from the Phantom Field to rescue them! Will they be able to save everyone and stop Bowser's Conquest or will Bowser achieve his goal?

On a boiling hot summer day, Mario and his girlfriend Meggy Spletzer take a relaxing dip in the hot springs by the lake and have a relaxing time without a worry in the world.

Shortly after the SplatSquad's victory in the final Splatfest, an enraged Killer Ink Leader unleashes her wrath, boiling with rage and hatred. And unfortunately for those she harms, nobody stops the angry Inkling to calm her down. WARNING: Rated T for violence and language...

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.

Paper Mario and Pokémon Mystery Dungeon collide. An adventure loving Koopa Troopa get's transported to a mystery dudgeon world, meets unique Pokémon and travels through dimensions. Get ready for one unordinary adventure.

History repeats in one world, a new branching story opens up in another. This time, Mario has to team up with.. The Rabbids again! Not only that, Mario is tasked to team up with anime. Can he get home without death? (rated T for edge)

Two years after fulfilling her dream of winning Splatfest and moving away from Inkopolis, Meggy Spletzer receives a letter from the Squid Sisters inviting the former Inkling and her friends to Splatville and informing her of the return of Splatfests. However, while Meggy excitedly tells Mario the news, an old enemy prepares for vengeance...

Following a bizarre misadventure that ended with Mario destroying his friends' giant pizza, the Italian wakes up in a hospital surrounded by his friends, feeling guilt for his mistakes as he comes to terms with what happened.

When Peach's voice gets stolen, the Mario Bros and the students of Class 1-A travel to the BeanBean Kingdom to get it back, but more interesting things happen on the way. None of these characters belong to me.

From the main hub Delfino Plaza to the windy Bianco Hills, from the busty Ricco Harbor to the lively Gelato Beach, from the exciting Pinna Park to the relaxing Sirena Beach, from the cozy Noki Bay to the high Pianta Villager, and from the small Delfino Airstrip to the awe inspiring volcanic Corona Mountain, all over this huge tropical island is fun awaiting you!

Bowser has kidnapped Peach once more, and it's up to the Mario Bros, RWBY and their teams to put a stop to Bowser and rescue the princess! But will it be as easy as it seems?

After failing to make Depresso the biggest clown ever, SMG4 wakes up in his bedroom, shaken from the nightmare he just had. How will he get better after this...?

The loneliness was slowly killing him. In a last ditch effort to make a friend, Naruto wishes upon a shooting star. When this wish grants him the company of three lovely ladies, his life is changed forever. What will their presence in his life mean? How will it affect his growth? What can be expected in the future? Naruto x Harem (Bowsette, Booette, Chompette)

After a squabble with Bowser, Mario and Donkey Kong decide to start a challenge between them: Whoever can stop Bowser first wins. However things don’t go as planned. Formerly known as Friendly Fire.

Mario melds Luigi with Yoshi creating Yoigi who has Luigi's face and penis and sells him to Wario; but when Yoigi accidentally becomes an Alpha Werewolf the tables have turned and he can take revenge on his treacherous brother! After the Council of Elders inform Yoigi of his destiny to fight the Vampires Yoigi is forced to confront his heart's complicated past with Edward Cullen...

In an alternate timeline, Inkopolis' discrimination towards humans had a deeper impact on Meggy. After winning the final round of Splatfest, the former Inkling mustered up the courage to tell her friends about Inkopolis' views on humans and made her final choice. Now, Meggy re-evaluates everything as she will never be a Splatfest champion in a racist society...

Class VII returns from their field study of the Mushroom Kingdom. Smash Bros Castle and the Pokemon World of Galar. With all the amazing new discoveries and souvenirs they brought. Things will get lively in Zumeria.

(Found Family/Redemption arc story as told from Olly's POV) What would have happened if Olly really did die? Deku decided to bring him to UA, but Olly's having trouble finding out who he is. He knows he's seen Olivia before, but where...?

I found out everything. Who I was, what I had done...Before I knew it, tears made their way to the ground. Midoriya was quick to calm me, though.

You'll get enough sugary sweetness to last you a lifetime if you choose to be cool here!

Class VII of Thors Military Academy has been given two field studies. One was originally where they're going next. But the other one was from Prince Olivert. Class VII Field Task is to learn about the Mushroom Kingdom. And now they heard Bowser had kidnaped the Princess of the Mushroom Kingdom. Will the Mario bros and Class VII join force against Bowser and rescue Peach in time?

Captain Toad ends up farting in the methane making world of Touhou.

So our heroes named Sarah, Ritchie, and Sawyer go to an place called Pi'illo Island to research some stuff. Until they get into trouble but with the help of the Mario brothers will they be able to let people dream again and restore all peace to Pi'illo Island. Or will they fail in the process? Read and find out.

When E. Gadd's time machine takes Peach back in time but gets kidnapped by these aliens called Shroobs. Mario and Luigi reunite with Seiji, Megumi, and everyone else from their last adventure, along with some new friends from different dimensions! But, it's not only the Shroobs they will be worried about...