Sonic the Hedgehog and Mario Crossovers
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Runaways by Steel Fairy reviews
Mario was a high standing member of society set to marry the kingdom's Princess; and neither were happy about it. Sonic was an Anthro and was constantly hunted along with the rest of his camp. By chance they found each other, and together they ran. SonicxMario. Medieval AU.
Rated: T - English - Friendship/Adventure - Chapters: 13 - Words: 22,432 - Reviews: 51 - Favs: 19 - Follows: 14 - Updated: 9h - Published: 7/30/2018 - [Mario, Sonic]
Interdimensional Chaos by ILiekPenguinz reviews
Mario and Sonic live in 2 different dimensions, but something unknown changes everything for them.
Rated: T - English - Adventure/Fantasy - Chapters: 11 - Words: 7,815 - Reviews: 3 - Favs: 5 - Follows: 5 - Updated: 5/23 - Published: 11/23/2019 - Sonic, Mario
soncic dieds by soiciswaifu reviews
oh no sinoc is murder!
Rated: T - English - Drama/Crime - Chapters: 1 - Words: 273 - Reviews: 2 - Published: 5/16
Super Mario X Sonic the Hedgehog by CheddarBrat789 reviews
In this prequel to the Olympic Games series, Dr. Eggman builds a device for inter-dimensional travel, subsequently running into Bowser for the first time as the two combine their armies. Neither Mario nor Sonic are completely sure how to handle all this, so they have no choice but to team up and defeat their respective nemeses, getting a feel for each other's worlds in the process.
Rated: K+ - English - Humor/Adventure - Chapters: 17 - Words: 62,567 - Reviews: 9 - Favs: 12 - Follows: 11 - Updated: 5/8 - Published: 8/16/2020
Mario & Sonic: Between Worlds by benevolentwritings reviews
What happens when a maniacal genius and tyrannical Koopa King tamper with forces they don't understand? What happens when an unlikely duo of a plumber and a hedgehog join forces? Join the heroes of the Mushroom World and Mobius as they embark on an unexpected adventure!
Rated: K+ - English - Adventure/Suspense - Chapters: 3 - Words: 12,994 - Reviews: 1 - Favs: 5 - Follows: 2 - Updated: 5/7 - Published: 4/28 - Sonic, Tails, Mario, Luigi
Sonic teaches Cream how to play a Guitar (Request by danielman21) by The Afterdreamer reviews
A Clasic Mario and Somic type tale. Sonic's secret has been revealed and in return, he teaches Cream how to play the guitar. Join Cream and Sonic as they know more about playing guitar for the Superstar Diamonds.
Rated: K+ - English - Family/Friendship - Chapters: 3 - Words: 6,620 - Reviews: 4 - Favs: 5 - Follows: 3 - Updated: 5/3 - Published: 3/11 - Sonic, Cream/Cheese
Pixelated Panic by Steel Fairy reviews
On their way to Bowser and Dr. Eggman's final challenge the two trapped heroes have a heart-to-heart. Tokyo 2020 oneshot.
Rated: K+ - English - Friendship/Hurt/Comfort - Chapters: 1 - Words: 591 - Reviews: 1 - Favs: 3 - Follows: 1 - Published: 4/30 - Sonic, Mario - 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.
Rated: T - English - Family/Hurt/Comfort - Chapters: 51 - Words: 241,905 - Reviews: 343 - Favs: 113 - Follows: 98 - Updated: 4/26 - Published: 1/24/2017 - Mario, Sonic, Luigi, Tails
Cream meets Sonic the Werehog (request by sonicthewerehog) by The Afterdreamer reviews
Cream sets off to a trip to the Woods to find Sonic and prove he's not a monster. Things may not always seem what it seems, little rabbit. Be careful. (That's all I gotta say)
Rated: K - English - Hurt/Comfort/Friendship - Chapters: 1 - Words: 1,657 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 3/31 - Cream/Cheese, Sonic the Werehog - Complete
A Tease Of A Run by tiewewuzdabomb
Sonic just likes to tease people with his running.
Rated: K - English - Chapters: 1 - Words: 126 - Published: 3/30 - Dry Bowser - Complete
Dashing Right Into Baddies by tiewewuzdabomb
Sonic plays around with the Mushroom Kingdom enemies super fast.
Rated: K+ - English - Chapters: 1 - Words: 139 - Published: 3/24 - Complete
Captain Toad Farting Fast by Yoshizilla-Rhedosaurus
Captain Toad farts his way past cool adventuring rump through Sonic's world.
Rated: T - English - Adventure/Humor - Chapters: 3 - Words: 310 - Updated: 2/13 - Published: 1/21 - Captain Toad
Jump About High by tiewewuzdabomb
Keep your momentum or you'll definitely fall.
Rated: K - English - Friendship/Adventure - Chapters: 1 - Words: 145 - Published: 2/8 - Dry Bowser
Stupid, Perfect Blue Eyes by Steel Fairy reviews
In which Sonic is in denial about his crush, Tails isn't buying it and Mario is confused. 2008 Beijing Olympics AU. Oneshot.
Rated: K+ - English - Humor/Romance - Chapters: 1 - Words: 556 - Reviews: 2 - Favs: 4 - Follows: 1 - Published: 2/7 - Sonic, Tails, Mario - Complete
Super Sonic Squad: Taking Back Brooklyn by Coleiosis
Brooklyn has become a war zone, thanks to Dr. Eggman bringing an army of Overlanders to Earth. Mario, Sonic and friends gather together to help fight off the Overlanders, but little do they know it's a distraction for Eggman to steal the Master Emerald and use it to give his Roboticizer enough power to roboticize the entire planet! Happy 10th birthday Super Sonic Squad!
Rated: T - English - Suspense/Friendship - Chapters: 1 - Words: 5,396 - Favs: 2 - Follows: 1 - Published: 2/6 - Sonic, Dr. Robotnik/Dr. Eggman, Charlemagne, Mario - Complete
Mario & Sonic: the Legendary Chronicles (Request by MarioBrosFan4Ever) by The Afterdreamer reviews
Join Mario, Sonic, and the rest of the crew as they venture out into the cosmos guarding their home planet from everything evil caused by powerful villains. New characters such as the good heart Bowser Jr, to the pure hearted Cosmo the Seedrian, from the bravery of Geno, to the robotic Emerl. Join everyone in this colossal RPG. (Leave a review to select your characters.) Enjoy.
Rated: K+ - English - Adventure/Friendship - Chapters: 1 - Words: 352 - Reviews: 2 - Favs: 4 - Follows: 3 - Published: 2/1 - Sonic, Cosmo, Mario, Bowser Jr.
Tails and Luigi's Mansion by ZappuelLightnin'Rod reviews
After Luigi takes a walk over to Tails' house, the young fox receives a letter saying that Professor Pickle had a mansion built near his workshop. So, Luigi, Tails and Cosmo all decide to run over to inspect the mansion. However, it appears that the letter wasn't being 100% accurate...
Rated: T - English - Humor/Horror - Chapters: 12 - Words: 87,402 - Reviews: 34 - Favs: 27 - Follows: 19 - Updated: 12/31/2020 - Published: 4/4/2013 - Tails, Cosmo, Luigi, Waluigi
Eamon's Epic Journey by Penutsonfire reviews
Eamon goes on an epic adventure when he get's succ [;)] into a big portal and meets sonic the hedgehog
Rated: T - English - Angst/Adventure - Chapters: 11 - Words: 10,577 - Reviews: 5 - Favs: 2 - Follows: 1 - Updated: 12/28/2020 - Published: 7/22/2016 - Sonic, Tails, Mario, Luigi - Complete
Mario and Sonic: The Dimensional War by Avationrocks10 reviews
The peace is shattered again but this time with the help of a wanted scientist. With Bowser and Eggman joining forces with the help of the scienist. Mario and Sonic join forces come to terms of the reality and begin the long road ahead. The stage is set for battle and only time would tell. Takes place after Super Mario Odyssey and Sonic Forces.
Rated: T - English - Adventure/Romance - Chapters: 9 - Words: 37,515 - Reviews: 6 - Favs: 5 - Follows: 3 - Updated: 12/22/2020 - Published: 6/19/2018 - Sonic, Dr. Robotnik/Dr. Eggman, Mario, OC
Figures, A Lovely Pair by Cutegirlmayra1 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: 27 - Favs: 56 - Follows: 8 - Updated: 12/7/2020 - Published: 11/18/2013 - Sonic, Amy, Mario, Peach - Complete
Through the Looking Glass: A Tale of Psychopathy by Penutsonfire reviews
Do you think that all your favourite video game characters are well adjusted people on the inside? Think again! Look into the lives of these psychopaths through these separate but interconnected stories of insanity and psychopathy.
Rated: K+ - English - Crime/Hurt/Comfort - Chapters: 4 - Words: 5,827 - Reviews: 1 - Favs: 1 - Updated: 11/29/2020 - Published: 6/28/2020 - Sonic, Mario, Luigi, Toad
Mario and Sonic: Chaotic Vengeance by SonicJoJo
In the Mushroom Kingdom all was fine and dandy and everything was going their way. Until Bowser showed up and attacked Princess Peach's Castle! Mario tried to stop him, but Bowser had a wife to call his own: Bowsette! Then suddenly Dr. Eggman appeared out of nowhere to help Bowser! Now, Mario has to team up with Mobius' Hero Sonic the Hedgehog. Can the two heroes stop them?
Rated: T - English - Adventure/Friendship - Chapters: 1 - Words: 259 - Favs: 1 - Follows: 1 - Published: 11/22/2020
Mario vs sonic by Mario bros fan4ever
when Mario and sonic gets bored they spar
Rated: T - English - Supernatural/Humor - Chapters: 1 - Words: 1,061 - Published: 11/9/2020 - Sonic, Mario - Complete
Doctor's Log: Mushroom Planet by Stuffulkins reviews
Dr. Robotnik is all alone, trapped on a seemingly uninhabited planet with no resources, no supplies, and only "Agent Stone" as a companion, but his outlook on life just might change when he's rescued by an unexpected ally.
Rated: K - English - Friendship - Chapters: 1 - Words: 633 - Reviews: 1 - Favs: 1 - Published: 11/6/2020 - Dr. Robotnik/Dr. Eggman, Agent Stone, Mario
Super Sonic Squad Season Five by Coleiosis
Re-released to fix all errors. Tails faces many dangers as he remembers the power of Plague, king of Straggo! But things get worse as he rediscovers his old friend Cosmo! Now Rech has something up his sleeve, having to do with Courtney. Tails has many decisions to make! Can he save Cosmo, defeat Dr. Eggman and Needles, and save Mobius? Only we know!
Rated: T - English - Suspense/Hurt/Comfort - Chapters: 8 - Words: 12,829 - Favs: 2 - Follows: 1 - Published: 11/5/2020 - Tails, Dr. Robotnik/Dr. Eggman, Cosmo - Complete
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