Sonic the Hedgehog and Mario Crossovers
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Mario and Sonic shorts by Angry9guy reviews
a bunch of cute one-shots
Rated: K+ - English - Humor/Family - Chapters: 68 - Words: 10,386 - Reviews: 19 - Favs: 9 - Follows: 8 - Updated: 6/1 - Published: 4/18/2022
Fighter's Tournament Onward! by SuperStation4 reviews
After a crisis with omnipotence, Legacy worlds have molded together to create a omniverse of untapped resources and influence. Meet Ryuto, a boy with a mysterious origin, in the midst of the world(s), with new faces and legacy faces exploring these mysterious clusters of a world. Join Ryuto and Co. on his journey through these...or this world for a (omniversal?) adventure?
Rated: T - English - Adventure/Fantasy - Chapters: 4 - Words: 4,756 - Reviews: 1 - Updated: 5/25 - Published: 3/30
The Lost Man and the Spiny Children by Ninedovebats reviews
Mario finds himself on a very strange island and meets a very strange child. Then he meets even more children. These animal creatures seem to be afraid of him. Sonic is 11. It takes place in the classic sonic universe.
Rated: K - English - Adventure - Chapters: 4 - Words: 3,600 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 5/17 - Sonic, Tails, Knuckles, Mario
Death Battle Aftermath: A Tale of an AI Girl and Her Koopa Prince by Le MAO reviews
Sage couldn't believe it. Her father, the great Dr. Eggman, dead. The invasion a complete failure. She hopes to take revenge for her father, but the Koopa King confronts her and offers her a deal. Be a good little minion, and he might bring her father back. And her first task is being Bowser Jr's friend! Here's hoping she doesn't snap and kill the little turtle prince.
Rated: T - English - Friendship/Romance - Chapters: 9 - Words: 44,208 - Reviews: 63 - Favs: 122 - Follows: 121 - Updated: 5/4 - Published: 11/26/2024 - [Sage, Bowser Jr.] Infinite, Bowser
tung tung sahur acad by rizzler112 reviews
Luigi goes to a brainrot ahh school
Rated: K+ - English - Humor/Angst - Chapters: 1 - Words: 763 - Reviews: 6 - Favs: 2 - Follows: 2 - Published: 4/30 - Mighty, Luigi, Yoshi
Sonic vs Force 'Z' by BearfootTruck reviews
The Roseinian Armed Forces are invading the Mushroom Kingdom and Sarasaland, so Sonic, Tails, Shadow and Rouge head on over to help out Mario and the gang to push back the commie threat. Rated T for war violence, language and some suggestive content. Also includes Shadamy and Luigi/Daisy.
Rated: T - English - Adventure/Romance - Chapters: 10 - Words: 22,635 - Reviews: 2 - Favs: 3 - Follows: 2 - Updated: 4/25 - Published: 2/28 - [Sonic, Rouge] [Mario, Peach] - Complete
Cream and Peach's Musical Babysitting Day by danielman21 reviews
Vanilla and Cream are out together for a walk and drive together, in the Mushroom Kingdom, when Cream spots Peach's Castle in the distance! Cream is very eager to meet a real princess, and Vanilla hopes she can look after Cream while she's out doing her errands and shopping for the day, in the Mushroom Kingdom. Can Peach look after Cream, and give her a happy day? Read to find out!
Rated: K - English - Family/Friendship - Chapters: 1 - Words: 1,379 - Reviews: 2 - Favs: 3 - Follows: 2 - Published: 4/20 - Cream/Cheese, Vanilla, Peach, Toadsworth - Complete
Innocence & Instinct by Terrence Johnny Stanford reviews
An amnesiac Shadow the Hedgehog finds himself in a universe far beyond home. As he struggles to piece together his past, will the Ultimate Lifeform rise to the challenge or will Bowser conquer the cosmos?
Rated: T - English - Adventure/Drama - Chapters: 2 - Words: 26,268 - Reviews: 8 - Favs: 20 - Follows: 19 - Updated: 3/31 - Published: 1/23 - Shadow, Wario, Rosetta/Rosalina, Geno
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."
Rated: T - English - Adventure - Chapters: 33 - Words: 29,408 - Reviews: 3 - Favs: 5 - Follows: 3 - Updated: 3/17 - Published: 5/10/2023 - Sonic, Mario, OC
King of the Movies! by Laid-Back Brit reviews
It's been a while since Mario's movie was released - and it's still the highest grossing film based on a video game of all time. He is pleased that Sonic, with three of his own movies under his belt, can't seem to knock him off the top. Not even Shadow making his big screen debut now can make him lose his success - or can he?
Rated: T - English - Humor/Parody - Chapters: 1 - Words: 786 - Reviews: 2 - Favs: 1 - Published: 2/14 - Mario, Shadow - Complete
A Red-Clad Plumber and Blue Hedgehog by The Ever-Dreaming Kitten reviews
I'M NOT ACCEPTING OFFERS FROM ARTISTS, AND ANYONE WHO DOES OFFER, I'M DECLINING NO MATTER WHAT AND I MEAN IT, SO PLEASE DON'T MAKE ME ONE, ESPECIALLY ON A REVIEW. SORRY. The worlds of two beloved heroes join forces and both do-gooders along with their friends must seek a Power Star and the seven Chaos Emeralds. I own nothing.
Rated: K+ - English - Fantasy/Friendship - Chapters: 1 - Words: 2,567 - Reviews: 1 - Favs: 2 - Follows: 1 - Published: 2/13 - Sonic, Tails, Mario, Luigi
VIRUS-ai 3 by BioStudios
A year after Void & 3 hedgehogs rescued SNT and her friends from a dangerous worm. The U.A.V is now in disarray, as a new evil force threatens to censor the anti-virus vendors and eliminate them from the face of existence. Can Void and SNT stop this new threat before they silence the United-Anti-Virus movement once and for all? Cover art by BaghiMisfortune
Rated: T - English - Adventure/Romance - Chapters: 26 - Words: 142,921 - Favs: 2 - Follows: 2 - Updated: 1/24 - Published: 11/1/2021 - OC, OC - Complete
The Mushroom Kingdom Wars - Chaos by FirestormX2 reviews
A year after the great war with Bowser, peace has returned—but it's short-lived. When Dr. Robotnik resurfaces with a deadly new plan, Princess Peach and her allies must race to secure the powerful Chaos Emeralds before he harnesses their power and undoes everything they fought to rebuild. With friendships tested and old enemies rising, the fate of their worlds hangs in the balance.
Rated: T - English - Adventure/Drama - Chapters: 52 - Words: 107,852 - Reviews: 2 - Favs: 3 - Follows: 1 - Updated: 1/22 - Published: 11/9/2024 - Peach - Complete
Figures, A Lovely Pair by CGMayra reviews
Mario and Sonic at the Sochi 2014 Winter Olympic Games have to compete to see who will be the 'Preview Couple' for the Figure Skating Pairs event! Mario and Peach decide to enter, but Sonic isn't quite used to skating with Amy... How will she help him to form a beautiful piece to wipe out the competition? (Sonamy) CONTAINS: Cute feels!
Rated: K - English - Romance/Humor - Chapters: 1 - Words: 6,270 - Reviews: 29 - Favs: 62 - Follows: 10 - Updated: 1/21 - Published: 11/18/2013 - Sonic, Amy, Mario, Peach - Complete
Mario vs Sonic(The Random Ending Act) by ajf73206 reviews
This was written out of boredom
Rated: T - English - Chapters: 1 - Words: 247 - Reviews: 3 - Published: 1/3 - 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, Mario and Sonic, eventually learn about each other and promise to protect themselves from their enemies as they unknowingly form a special bond.
Rated: T - English - Family/Hurt/Comfort - Chapters: 65 - Words: 325,066 - Reviews: 457 - Favs: 179 - Follows: 161 - Updated: 12/31/2024 - Published: 1/24/2017 - Mario, Sonic, Luigi, Tails
Mario, Sonic & Shadow Generations by RGGAM reviews
On the moment of Sonic's birthday a strange monster kidnaps both his and Mario's friends now they must team up with their past selves to restore the timeline meanwhile Shadow's old nemesis, Black Doom, remerges and threatens to take over the world, Shadow must journey into his own past, meet very mystical allies and unlock new powers to save the world.
Rated: T - English - Adventure/Friendship - Chapters: 1 - Words: 4,417 - Reviews: 3 - Favs: 14 - Follows: 12 - Published: 12/15/2024 - Sonic, Shadow, Mario, Luigi
Super Christmas Tree by Laid-Back Brit reviews
Mario and his friends have been decorating a Christmas tree together. All their teamwork has paid off as it looks so magical and festive - until a certain blue hedgehog comes along to ruin their hard work, much to the plumber’s dismay! Christmas one-shot.
Rated: K - English - Humor/Parody - Chapters: 1 - Words: 802 - Reviews: 1 - Favs: 2 - Follows: 1 - Published: 11/30/2024 - Mario, Sonic - Complete
Eggman's Reaction by kcufad reviews
Based around the Death Battle. After the war between the Koopa Army and the Badniks, Eggman was revived thanks to the 1-UP Mushrooms. While he was fixing Metal Sonic's body, he heard from Infinite, Cubot and Orbot about the current situation of his daughter and Bowser's son, Junior.
Rated: K - English - Humor/Romance - Chapters: 1 - Words: 1,458 - Reviews: 2 - Favs: 17 - Follows: 10 - Published: 11/24/2024 - [Sage, Bowser Jr.] Dr. Robotnik/Dr. Eggman, Bowser - Complete
His Legacy by OmegaKing99 reviews
After the death of Dr. Eggman by the hands of Bowser, Sage is left to avenge her father. Hope for her comes in the form of an alternate Metal Sonic who helped dispose of another evil scientist. Post-Bowser vs Eggman/Eggman vs Wily Death Battles
Rated: T - English - Hurt/Comfort - Chapters: 1 - Words: 2,287 - Reviews: 5 - Favs: 21 - Follows: 19 - Published: 11/20/2024 - Metal Sonic, Metal Madness/Metal Overlord, Sage - Complete
Wasted by Fiction by OmegaKing99 reviews
With Infinite currently being a laughing stock because of the Bowser vs Eggman Death Battle, here's a small snippet to help give Infinite some proper spotlight in that battle.
Rated: T - English - Suspense/Humor - Chapters: 1 - Words: 947 - Reviews: 3 - Favs: 5 - Follows: 2 - Published: 11/18/2024 - Infinite, Bowser - Complete
Bowser vs Eggman DEATH BATTLE! Re-Write by Jameels3 reviews
[SPOILERS FOR THE ACTUAL DEATH BATTLE AS THE WINNER REMAINS THE SAME] Two of the best villains in their respective universe (claimed by themselves) decide who has the best forces between the two. With no Plumbers or Hedgehogs to stop them!
Rated: K - English - Supernatural/Fantasy - Chapters: 1 - Words: 3,330 - Reviews: 5 - Favs: 8 - Follows: 5 - Published: 11/17/2024 - Dr. Robotnik/Dr. Eggman, Mecha Sonic, Bowser, Bowser Jr. - Complete
Captain Toad Farting Fast by Yoshizilla-Rhedosaurus reviews
Captain Toad farts his way past cool adventuring rump through Sonic's world.
Rated: T - English - Adventure/Humor - Chapters: 5 - Words: 730 - Reviews: 1 - Updated: 10/30/2024 - Published: 1/21/2021 - Captain Toad
Where Issa My Hat? by Laid-Back Brit reviews
Somebody has stolen Mario’s beloved hat. The Italian Plumber is distraught at this as the idea of being seen without his iconic red cap is unthinkable. He goes all the suspects he can think of - yet it should be obvious who the culprit is…
Rated: K+ - English - Humor/Parody - Chapters: 1 - Words: 826 - Reviews: 2 - Favs: 5 - Follows: 3 - Published: 8/24/2024 - Mario, Sonic - Complete
Mario & the Legend of the Chaos Emeralds by Baxfam reviews
Based on “Paper Mario: The Thousand-Year Door” and a couple of it’s glitches, join Mario as he discovers that the legendary Chaos Emeralds are scattered all over the place after Sir Grodus interferes with them. This is actually a sequel to Mario & the Legend of Lord Elmo. Here’s the link to the prologue: https:/youtu.be/yBwXjaMVpe0
Rated: T - English - Adventure/Drama - Chapters: 59 - Words: 72,111 - Reviews: 3 - Favs: 4 - Follows: 1 - Updated: 8/18/2024 - Published: 1/31/2023 - Mario, Goombella, Prof. Frankly, Grodus
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