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SMG4: The Splatoon Arc by JamieTheFandomGirl
The Daughter of the DJ, Desti, frames her win in Splatfest as she and her Father take over Inkopolis, making the Octarians the Dominate Species in the City. But then, Meggy, an Orange Inkling, and her Friends must stop the DJ and his Daughter, as they go on a Quest for Magical Shards of Crystals to save Inkopolis before it's too late.
Crossover - Mario & Splatoon - Rated: T - English - Adventure/Parody - Chapters: 23 - Words: 138,722 - Favs: 4 - Follows: 3 - Updated: 2/23 - Published: 12/19/2021 - Mario, OC, OC, DJ Octavio
DanganKart by CrumpsCrumbs
The Jabberwock Island School Trip has been going amazingly, so Usami has decided to reward the class with... a Mario Kart Race! What should have been a fun activity however, quickly became an intense, action-packed battle for victory. Bonds will form, friendships will be tested, but most importantly, why is Nagito acting so strange? [Updates every Wed thru Sun]
Crossover - Mario & Dangan Ronpa Kibou no Gakuen to Zetsubou no Koukousei - Rated: T - English - Friendship/Drama - Chapters: 31 - Words: 54,687 - Favs: 1 - Follows: 1 - Updated: 2h - Published: 1/26 - Komaeda N., Tanaka G., Nanami C., OC
Bowser's Skeletal Extravaganza by LooseGazpacho reviews
Bowser goes on a quest for a bigger army while he gets to know oddities about the world. Featuring characters from other universes.
Crossover - Mario & Team Fortress 2 - Rated: T - English - Humor/Adventure - Chapters: 16 - Words: 117,349 - Reviews: 2 - Favs: 6 - Follows: 5 - Updated: 16h - Published: 3/22/2017 - Bowser
Captain Toad Farting by Yoshizilla-Rhedosaurus
Captain Toad farts his way into Smash to find several gassy challenges to his treasure tracking tooter!
Crossover - Mario & Super Smash Brothers - Rated: T - English - Chapters: 10 - Words: 1,816 - Updated: 20h - Published: 1/15/2021 - Captain Toad
New Brotherhood by 1TGN reviews
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.
Crossover - Mario & Sonic the Hedgehog - Rated: T - English - Family/Hurt/Comfort - Chapters: 55 - Words: 267,024 - Reviews: 360 - Favs: 125 - Follows: 112 - Updated: 2/24 - Published: 1/24/2017 - Mario, Sonic, Luigi, Tails
Super RWBY Gaiden by Nan the Keyblade Master reviews
A collection of side stories and one-shots in the Super RWBY Universe! Just what shenanigans is gonna go on here? Let's all dive in!
Crossover - Mario & RWBY - Rated: T - English - Chapters: 110 - Words: 409,318 - Reviews: 986 - Favs: 56 - Follows: 46 - Updated: 2/23 - Published: 10/6/2020 - Mario, Luigi, Team RWBY
Super RWBY Strikers Charged by Nan the Keyblade Master reviews
Starting off the new year in-universe with a bang! The only rule is... anything goes!
Crossover - Mario & RWBY - Rated: T - English - Humor - Chapters: 1 - Words: 14,890 - Reviews: 17 - Favs: 18 - Follows: 9 - Published: 2/22 - Mario, Luigi, Team RWBY, Team STRQ - Complete
Star Knights: Partners in Time and Space by Bloodyguy reviews
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...
Crossover - X-overs & Mario - Rated: T - English - Humor/Horror - Chapters: 19 - Words: 71,304 - Reviews: 50 - Favs: 9 - Follows: 3 - Updated: 2/20 - Published: 1/7/2021 - Mario, Luigi, Baby Mario, Baby Luigi
Koopa Island Survival by 65rogeryork reviews
Twenty-two contestants. One island. One grand prize. This may sound familiar to you, but wait there's a catch! This competition is taking place on Koopa Island! Home to...well, nothing at the moment. This deserted island is about to be overrun by all the drama and antics you can possibly imagine! Who will emerge victorious? Find out right here on, Koopa Island Survival!
Crossover - Mario & Total Drama series - Rated: T - English - Humor/Drama - Chapters: 1 - Words: 6,638 - Reviews: 1 - Published: 2/20 - Mario, Luigi, Peach, Koopa Troopa
Super RWBY PSA by Nan the Keyblade Master reviews
Chibi lays to rest, another takes its place! The Reds and Blues (And friends) will be covering stuff filled with shenanigans! What nonsense will they bring?
Crossover - Mario & RWBY - Rated: T - English - Humor/Parody - Chapters: 8 - Words: 23,176 - Reviews: 67 - Favs: 28 - Follows: 18 - Updated: 2/20 - Published: 11/13/2021
Paper Loud House by Ohfortheloveofpete reviews
Lincoln likes to play video games...but what is he going to do now that he's inside one? Crossover with Paper Mario. Inspired by Paper Mario Eds.
Crossover - Mario & Loud House - Rated: K+ - English - Humor/Adventure - Chapters: 39 - Words: 102,980 - Reviews: 245 - Favs: 72 - Follows: 59 - Updated: 2/20 - Published: 8/2/2016 - Mario, Lincoln L.
From Plumber to Pirate by TalesToIntrigue reviews
Mario had no idea where he was, where his friends were or who these people really were. But somewhere deep inside of himself, he knew things would work out just fine by the time this was all over.
Crossover - Mario & One Piece - Rated: T - English - Adventure/Friendship - Chapters: 7 - Words: 62,724 - Reviews: 34 - Favs: 74 - Follows: 69 - Updated: 2/20 - Published: 2/20/2016 - Mario, Bowser, Luffy, Zoro
Mario X Total HetaRonpa Street: Dimensions of Light by Kombatant and Smasher
One year after their biggest adventures yet, Mario, along with his friends, the Nations, the Total Drama cast, Class 78th, the Future Foundation and several other heroes must come together in a final adventure for their worlds and their future. I own nothing, all characters' properties go to their respective owners.
Crossover - Mario & ManHua/Chinese Comics/漫画 - Rated: T - English - Adventure/Drama - Chapters: 49 - Words: 73,051 - Favs: 5 - Follows: 3 - Updated: 2/19 - Published: 3/20/2021 - Mario, Dixie
The Vile Visitor by MarioSuperSluggersLeague
Toad and his siblings are visited by a familiar foe, who will stop at nothing to get his revenge on the Royal Mushroom Baby and his family.
Crossover - Mario & Series Of Unfortunate Events - Rated: K+ - English - Horror/Drama - Chapters: 1 - Words: 1,812 - Published: 2/18 - Peach, Toad, Count O. - Complete
Super RWBY Galaxy 2: Galactic Conquest Prime by Nan the Keyblade Master reviews
Ridley and Dark Samus have declared war, and Samus and the heroes are answering the call to kick their sorry behinds. Will SPBRR and everyone else succeed... or will this truly be the end of the universe as we know it?
Crossover - Mario & RWBY - Rated: T - English - Adventure - Chapters: 35 - Words: 305,557 - Reviews: 564 - Favs: 38 - Follows: 28 - Updated: 2/18 - Published: 9/20/2021 - Mario, Luigi, Rosetta/Rosalina, Team RWBY - Complete
Broken universes by TheContinualGuy reviews
Different dimensions are ripped apart by weird purple portals and mixed together. Now the Powerpuff girls must find whoever or whatever is making them with the help of Mario and different characters in this crossover fic.
Crossover - Powerpuff Girls & Mario - Rated: K+ - English - Sci-Fi - Chapters: 2 - Words: 1,341 - Reviews: 1 - Favs: 2 - Follows: 1 - Updated: 2/18 - Published: 2/17 - Blossom, Boomer, Mario
Total Drama Mushroom Kingdom by MarioTheJunker94
16 Contestants from the Mushroom Kingdom arrive on Yoshi's Island to compete for 1 million coins...Who will fall down, and who will prevail? Find out on Total Drama Mushroom Kingdom!
Crossover - Mario & Total Drama series - Rated: K+ - English - Suspense/Drama - Chapters: 8 - Words: 14,461 - Updated: 2/18 - Published: 2/12
Genesect In Space 5: Defender of the Galaxies by gemerl720 post
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.
Crossover - Pokémon & Mario - Rated: T - English - Sci-Fi/Adventure - Chapters: 28 - Words: 101,637 - Favs: 6 - Follows: 4 - Updated: 2/17 - Published: 9/18/2020 - Mewtwo, Jirachi, Genesect, Rosetta/Rosalina
My Little Paper Mario by gfr091702
Bowser has another heinous scheme on his claws to defeat Mario and take Princess Peach once and for all, but the mushroom-eating plumber will have some help from six mares accidentally transported to the Mushroom Kingdom by a botched dimension spell. (All credit goes to Codex92)
Crossover - My Little Pony & Mario - Rated: T - English - Fantasy/Adventure - Chapters: 27 - Words: 214,247 - Favs: 3 - Follows: 1 - Updated: 2/16 - Published: 1/26 - Mario, Peach, Star Spirits, Twilight Sparkle
Super Nohrian Mages! by Mastermind Enoshima Alicia reviews
After finding a warp pipe in their house, Alicia and Leo are suddenly in the Mushroom Kingdom. With enemies everywhere, the dark lovebirds will have to work together in the name of love!
Crossover - Mario & Fire Emblem - Rated: T - English - Humor/Adventure - Chapters: 5 - Words: 7,935 - Reviews: 5 - Favs: 4 - Follows: 2 - Updated: 2/14 - Published: 6/30/2020
Toad meets the 2003 Teenage Mutant Ninja Turtles by MarioSuperSluggersLeague
Toad and his family travel to New Donk City to visit a friend, but come into contact with four mutated turtles.
Crossover - Mario & Teenage Mutant Ninja Turtles - Rated: K - English - Adventure/Drama - Chapters: 6 - Words: 6,043 - Published: 2/11 - Peach, Toad, Leonardo, Raphael - Complete
Paper Hearts: Darkness of Destruction by Keyblade Master of Darkness reviews
Sora, Donald, and Goofy are on their third journey and arrive at the Mushroom Kingdom, where they meet Mario again. This time around, they're sent to a different dimension and are tasked with finding Pure Hearts in order to defeat the evil Count Bleck and the Chaos Heart. Will they find the Pure Hearts in time or will darkness consume all? Rated T for violence.
Crossover - Mario & Kingdom Hearts - Rated: T - English - Adventure/Friendship - Chapters: 3 - Words: 22,244 - Reviews: 5 - Favs: 7 - Follows: 7 - Updated: 2/10 - Published: 1/10 - Mario, Sora, Donald Duck, Goofy
Collision of Worlds (season 1) by oznelnavnaekal
Team Mario and Sonic meet again after 10 years, not long after their reunion, they meet Team Lilac from the world of Avalice. Everyone prepares themselves for the upcoming High Moon Festival, yet they will be confronted by another civilization that came from across the sea. Shall the peace endure, or will everything end up in chaos and war?
Crossover - Mario & Sonic the Hedgehog - Rated: M - English - Adventure/Drama - Chapters: 16 - Words: 71,188 - Favs: 1 - Follows: 1 - Published: 2/9 - Sonic, Tails, Mario, Luigi
The Legend of L by AeroJester203 reviews
When the Golden Goddesses were searching for someone to take up the Master Sword and the title "Hero of Time", all that they knew was that he would be a green-clad hero. They didn't know that they would have to search another world for him. AU crossover story. Link is still here, so don't worry! Inspired by "Brawl in the Family: Luigi's Holiday Vacation"!
Crossover - Legend of Zelda & Mario - Rated: T - English - Adventure/Fantasy - Chapters: 5 - Words: 14,556 - Reviews: 13 - Favs: 16 - Follows: 18 - Updated: 2/7 - Published: 4/15/2015 - Link, Zelda, Ganondorf, Luigi
Super Mario Bros: A Tangled Adventure by dancecat25 reviews
Peach has been stuck in a tower for 18 years. But when a handsome plumber suddenly drops by, her life is finally about to begin.
Crossover - Mario & Tangled - Rated: K+ - English - Adventure/Romance - Chapters: 3 - Words: 4,832 - Reviews: 1 - Favs: 3 - Updated: 2/7 - Published: 10/3/2021 - Mario, Peach
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