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Mario & Sonic Prime by RGGAM reviews
After a battle with Bowser and Dr. Eggman results in the total destruction of the Paradox prism Mario and Sonic are scattered across the universe in worlds they do not exist and worse there is a group called the Chaos council together out to get them now Mario and Sonic must team up with other versions of their pals if Mario and Sonic ever wish to go home
Crossover - Sonic the Hedgehog & Mario - Rated: K+ - English - Friendship/Drama - Chapters: 3 - Words: 11,848 - Reviews: 2 - Favs: 10 - Follows: 10 - Updated: 9h - Published: 12/15/2022 - Sonic, Dr. Robotnik/Dr. Eggman, Mario, Bowser
Cartoon Fight Club 1: Wario vs Knuckles by NostalgiaZone
Wario (Mario's rival) and Knuckles (Sonic's rival) team up in a rivalry of who's best at their game!
Crossover - Sonic the Hedgehog & Mario - Rated: T - English - Chapters: 1 - Words: 1,384 - Published: 15h - Knuckles, Wario - Complete
Mario and Sonic shorts by Angry9guy reviews
a bunch of cute one-shots
Crossover - Sonic the Hedgehog & Mario - Rated: K+ - English - Humor/Family - Chapters: 46 - Words: 7,545 - Reviews: 13 - Favs: 5 - Follows: 5 - Updated: 1/8 - Published: 4/18/2022
Bowsette's Crush by Phantom Fan 21 reviews
After her latest heartbreak, Bowsette Koopa moves to Amity Park and meets Danny Fenton. However, she tries to avoid another heartbreak only to fall for Danny. Can Bowsette find new love, or will she be heartbroken all over again?
Crossover - Mario & Danny Phantom - Rated: M - English - Adventure/Romance - Chapters: 10 - Words: 17,683 - Reviews: 76 - Favs: 100 - Follows: 108 - Updated: 1/8 - Published: 6/4/2023 - [OC, Danny F.]
Super Ridley Brothers by BZRich64 reviews
After being hired by Bowser to take down Mario, Ridley decides to head to the Mushroom Kingdom wearing Mario's hat to taunt them. Things go wrong when everyone somehow mistakes him for the real Mario and Ridley quickly finds himself thrust into one unexpected adventure after another alongside a ragtag band of strangers and familiar faces.
Crossover - Mario & Metroid - Rated: T - English - Humor/Adventure - Chapters: 25 - Words: 76,195 - Reviews: 6 - Favs: 15 - Follows: 18 - Updated: 1/8 - Published: 7/8/2018
Mario and The Wah-Pocalypse -an SMG4 story- by CVGWJames reviews
After years of neglection and many attempts to become a fighter in Smash, Waluigi hits his breaking point and unleashes a frightening new power of terror upon the Mushroom Kingdom. It's up to Mario, SMG4 and the gang to stop Waluigi from destroying the world, even if he doesn't get to be in Super Smash Bros. (Based on The Waluigi Arc) (In-Progress)
Crossover - Mario & Web Shows - Rated: T - English - Drama - Chapters: 34 - Words: 43,062 - Reviews: 5 - Favs: 2 - Follows: 4 - Updated: 1/7 - Published: 7/28/2023 - Mario, Waluigi
Super Mario Einsteins by ChibiGuardian75 reviews
Three years later, the Little Einsteins enjoy life before they received an invitation to attend a party at the Mushroom Kingdom.They travel there and meet new people, but disaster strikes when Big Jet joined forces with Bowser and they kidnapped Peach, Quincy, June, and Rocket. Now Leo and Annie must join Mario, Luigi, Toad and Toadette to save them and the Mushroom Kingdom.
Crossover - Mario & Little Einsteins - Rated: K+ - English - Adventure/Friendship - Chapters: 13 - Words: 19,439 - Reviews: 26 - Favs: 12 - Follows: 12 - Updated: 1/7 - Published: 6/27/2021 - Mario, Luigi, Annie, Leo
Super Spider Bros: Web Between Dimensions by Ulysses Tu
Bowser has kidnapped Peach yet again! But this time, he banished Mario into an alternate dimension: the City of New York. There he meets Spiderman and the two team up in order to stop Bowser from conquering both worlds with the help of Spiderman's archenemy: the Green Goblin.
Crossover - Spider-Man & Mario - Rated: K - English - Chapters: 3 - Words: 4,987 - Favs: 2 - Follows: 3 - Updated: 1/7 - Published: 7/19/2023
Mario and Luigi's Multiversal Adventure Pirate Saga by The Crimson Yinglet reviews
Mario and Luigi are on a multiversal adventure to find the missing power stars. Will their actions have dramatic changes to these worlds and will it have unforeseen consequences. Only time will tell.
Crossover - Mario & One Piece - Rated: T - English - Adventure/Friendship - Chapters: 24 - Words: 109,383 - Reviews: 36 - Favs: 52 - Follows: 54 - Updated: 1/7 - Published: 9/3/2022 - Mario, Luigi, Luffy, Ace
Hero In Another Castle by ReaderWriterfella reviews
Izuku meets an exchange student from America named Bowsette. She seems to have an amazing quirk but what secrets is she hiding?
Crossover - My Hero Academia/僕のヒーローアカデミア & Mario - Rated: M - English - Adventure/Romance - Chapters: 12 - Words: 23,604 - Reviews: 62 - Favs: 175 - Follows: 232 - Updated: 1/6 - Published: 6/5/2023 - [Izuku M., OC] Bowser, Mario
Super RWBY Gaiden by Nan the Keyblade Master reviews
A collection of side stories 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: 257 - Words: 1,026,674 - Reviews: 2285 - Favs: 85 - Follows: 68 - Updated: 1/6 - Published: 10/6/2020 - Mario, Luigi, Team RWBY
Super Brudahz by Baxfam reviews
Based on my old comics called “Super Brudahz”, this takes place between Mario Parties DS and 9 where Kooper (Koopa Kid) goes to middle school.
Crossover - Mario & Sonic the Hedgehog - Rated: T - English - Friendship/Humor - Chapters: 32 - Words: 15,695 - Reviews: 3 - Updated: 1/5 - Published: 2/21/2023 - Kooper, Sonic, Mario
Mario Bros meet the Gillmans by SuMario6477 reviews
When local plumbers from Oceanside can't seem to fix certain drainpipes, they call in the Mario Brothers Plumbing Service to get the job done. The bros are up for the task, but will they manage to fix everything on time? With the help of a certain family, anything is possible as long as they work together.
Crossover - Mario & Ruby Gillman, Teenage Kraken - Rated: K - English - Adventure/Friendship - Chapters: 9 - Words: 14,201 - Reviews: 10 - Favs: 6 - Follows: 5 - Updated: 1/5 - Published: 10/16/2023 - Mario, Luigi, Ruby
Plus Ultra! by CaramelPhoenix
How to be Plus Ultra? That's an easy mix of compassion and strength. Strength of mind, power, and heart. But in a world where corruption reigns supreme, that may be a task that's a lot harder to acquire than it sounds...(Mentions of blood, insanity, and death. Cover image in process.)
Crossover - Mario & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Chapters: 40 - Words: 67,004 - Favs: 6 - Follows: 6 - Updated: 1/3 - Published: 9/25/2023 - Olly, Olivia, OC, 1-A Students
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: 21 - Words: 60,973 - Reviews: 191 - Favs: 50 - Follows: 30 - Updated: 1/3 - Published: 11/13/2021
Super RWBY IF by Nan the Keyblade Master reviews
You ever wonder what would happen if things played out differently in the SRS? Join Hades as he takes a dive into the SRS Multiverse and asks the question: "What If...?"
Crossover - Mario & RWBY - Rated: T - English - Humor/Parody - Chapters: 39 - Words: 299,764 - Reviews: 347 - Favs: 36 - Follows: 28 - Updated: 1/2 - Published: 10/15/2022 - Mario, Luigi, Ruby R., Summer R.
Super Mario RPG: The Seven Stars and The Calamity Box by gabriswitch reviews
After opening a mysterious music box the day of her thirteenth birthday, Anne Boonchuy, along with her two best friend Marcy Wu and Sasha Waybright, are magically transported in the land of the Mushroom Kingdom. Now, the three girls will have to join forces with the local hero and other new friends to defeat the nefarious Smithy Gang and find a way back home.
Crossover - Mario & Amphibia - Rated: K+ - English - Humor/Adventure - Chapters: 3 - Words: 17,749 - Reviews: 3 - Favs: 9 - Follows: 9 - Updated: 1/2 - Published: 11/20/2023 - Mario, Anne, Sasha, Marcy
Trails of Cold Steel Adventures by mysteryfriend16 reviews
A side collections of stories within the Super Trails Universe. Each stories tell different scenes that has been going on lately. Wonder what kind of adventure they have. Let's find out!
Crossover - Mario & Legend of Heroes - Rated: T - English - Chapters: 36 - Words: 119,979 - Reviews: 4 - Favs: 6 - Follows: 6 - Updated: 1/1 - Published: 8/25/2022 - Mario, Rean S.
A Commuter's Journal in a Nebula by IllusionedDrawer64 reviews
"In your own time, feel free on reading about my experiences with the most discussed figures in this journal."
Crossover - Sonic the Hedgehog & Mario - Rated: T - English - Adventure - Chapters: 55 - Words: 85,552 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 1/1 - Published: 5/10/2023 - Sonic, Mario, OC
What's A Koopa To Do? by DesertChocolate reviews
A MHA and Bowser SI mashed together. Please enjoy. Also Posted On Royal Road
Crossover - Mario & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Humor - Chapters: 26 - Words: 110,934 - Reviews: 851 - Favs: 2,486 - Follows: 2,782 - Updated: 1/1 - Published: 2/28/2021 - Bowser, Izuku M., Pony T.
Gumby and Thomas the Tank Engine by gumblyfan
Gumby and his horse is trapped in the Sodor world, where he meets Thomas and his friends. But all turns dark when the evil artisan and Diesel 10 team up to destory them once and for all! Will Gumby and Thomas use there new powers to save the day?
Crossover - Mario & Thomas the Tank Engine - Rated: K+ - English - Drama/Suspense - Chapters: 8 - Words: 3,055 - Published: 1/1
One piece the Movie by God of Creativity reviews
Jump into the fun as Straw-Hat Pirates Luffy and Zoro travel to a new world to stop an evil Warlord from taking over the world
Crossover - One Piece & Mario - Rated: T - English - Adventure/Romance - Chapters: 17 - Words: 128,925 - Reviews: 12 - Favs: 19 - Follows: 17 - Updated: 1/1 - Published: 4/30/2023 - Peach, DK, Luffy, Zoro
Saiko Rocks: New Year's Jammin' -an SMG4 story- by CVGWJames reviews
The end of the year is upon the Mushroom Kingdom and Saiko's band is hosting a party, but the year has one more surprise for the anime girl when a special someone shows up before the show starts...
Crossover - Mario & Web Shows - Rated: T - English - Romance/Parody - Chapters: 1 - Words: 2,363 - Reviews: 1 - Favs: 1 - Published: 12/31/2023 - Complete
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: 63 - Words: 319,205 - Reviews: 404 - Favs: 173 - Follows: 151 - Updated: 12/31/2023 - Published: 1/24/2017 - Mario, Sonic, Luigi, Tails
616: The Donna Adventures of Princess Peach: Showtime by mary.okeeffe.16 reviews
Princess Peach and Donna's trip to the Sparkle Theater goes off script when the wicked Grape and the Sour Bunch steal the show! They use The Sparkle Ribbon to close curtains on this tragedy by using a powerful ribbon and taking on several starring roles—each with their own look and abilities.
Crossover - Star Wars & Mario - Rated: K+ - English - Sci-Fi/Drama - Chapters: 1 - Words: 500 - Reviews: 1 - Published: 12/29/2023
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