The ultimate story in the crossover between Sonic Mania and Sword Art Online comes to an end. With help from Leafa, Sinon, Team RWBY, Team JNPR, the Chaotix, and friends from ALO, the heroes fight the American players. Will they save the Underworld? Will they save Alice? Will Kirito wake up? And will Sonic and his friends make it home to save South Island from Dr. Robotnik?

The story of Sonic the Hedgehog 1. Sonic must stop Dr. Robotnik from using the power of the Chaos Emeralds to take over the world. All in a days work for the fastest thing alive.

After defeating Heathcliff, Sonic and his friends were suddenly still stuck SAO. A massive error causes their skills to return to their original stats and prevents them from teleporting to any floor lower than 76. They must continue upward to Floor 100 to clear the game, while exploring a new place called the Hollow Area with some orange player. Spoilers for SAO Hollow Fragment.

After the defeat of Administrator, Kirito, Sonic, Mighty, and Ray end up in comas. It is up to Tails, Knuckles, Eugeo, and Alice to fight off the forces of darkness and protect Rulid Village. Meanwhile, when Asuna arrives in the Underworld, she attempts to track Kirito down. What will become of the heroes as they fight against darkness?

Chisato was given a drink from Sora that looked exactly like the one from Alice in Wonderland, which turned out it actually was from the story, and it causes her to shrink really small. Sora also joins in but both the muffin and potion cause problems with their sizes, big and small. What the heck is going on?

Jaune finds a beautiful patch of unnamed flowers for Pyrrha's birthday, and as he was giving them to her, they cause the couple to start shrinking. They throw them away at first and thought it wasn't much of a deal, but when they keep getting smaller, bigger problems start happening to them.

Takes place during the events of Sonic Mania Alicization. After 3 years since Salem's defeat, the grimm make a sudden return. The Chaotix, Amy, and Team JNPR try to figure out where the grimm were coming from. It all starts by heading to where Salem's castle was. What will they find out as they keep finding clues.

The ultimate fight begins between Team Sonic and the Pontifex, Administrator at the top of the central cathedral in the Underworld. Who will be victorious in this epic battle, and will Alice get her memories back?

The story continues in the Underworld as Sonic, Mighty, Ray, Kirito, and Eugeo make it to the Central Cathedral to stop Administrator, free all the Integrity Knights, and collect the remaining 4 Chaos Emeralds and stop the forces of darkness from destroying the realm of humanity. What will become of these heroes as they go up the tower? Spoilers for SAO Season 3

When Carol Danvers / Captain Marvel was fighting some criminals, one of them hits her with a vial and shrinks her down to 5 inches tall. When that happens, she starts traveling around the city in a completely different view. Where will this story of the tiny super hero go?

Taking place between Sonic Mania Ordinal Scale and Sonic Mania Alicization. Karen (LLENN) finds a new app feature on Facebook. Very soon, she realizes that the feature causes her to start shrinking, and not stopping. Miyu (Fukaziroh) becomes shocked to see what happens to her best friend. Will Karen be able to get big again before she shrinks and disappears?

A new company known as Rath invents a new full-dive machine called the Soul Translator. Sonic, Mighty, Ray, and Kirito get trapped inside the virtual world of the STL. Meanwhile, Asuna, Tails, and Knuckles, with the help of Team RWBY try to look for them so they can bring them back and save South Island from Robotnik's forces. Spoilers for SAO season 3.

On Christmas Eve, Dr. Robotnik tries to steal Christmas from the people in Sonic's hometown in South Island. Sonic tries to stop him from taking everything from everyone. Will Sonic be able to bring everyone's Christmas back and save the day?

Dr. Eggman and Wily have both taken over society. Friends from many games, movies, and shows must stop them. I can't believe I actually did this. There are characters from Sonic, Sword Art Online, Accel World, Shrek, Megaman, Fairy Tail, Kingdom Hearts, and much more. They must stop Eggman and Wily from having there not be fun in this society.

Sonic and his friends get a strange invite to a Halloween party at a haunted mansion. Then, strange things happen when Tails Doll returns. Will they get through the obstacles that Tails Doll brings out to them? Find out in this epic Halloween story.

After Sonic Mania Ordinal Scale, Rain and Snow both enjoy a nice peaceful day in ALO, when suddenly, Snow gets shrunk after waking up. Rain begins to take a huge liking to how small her boyfriend is. Then later on, she also gets shrunk. Will they both find a way to grow back to normal? Yes this is another weird size-changing story so enjoy it.

Spoilers for the SAO movie. A new Augmented Reality device known as the Augma gets released, and Sonic, Kirito, and their friends use it to fight in battles in the new AR game, Ordinal Scale. Then, the nightmare from the death game comes to reality as people lose their memories of SAO. Will Sonic and Kirito bring everyone's memories back?

An epilogue to Sonic Mania Mother's Rosario. Tails leaves a present for Kirito and Asuna in his workshop. When they find out it was a real body for Yui, they were both excited. Together, the family goes places together. What will Kirito and Asuna's parents react when they meet the little girl? Will they love her, or hate her?

Sonic and Asuna challenge a player named Yuuki to a duel, and then she takes them to a place to ask them a favor. Asuna gets worried about Yuuki when she suddenly logs out. While that's happening, she gets into a fight with her mother and worries about Kirito after that. How will things work out with Asuna, her mother, and Yuuki? Warning: Spoilers for SAO 2.

The sequel to Mini Zekken's Adventure. During a fight with a monster to get the drop to cure Yuuki, she shrinks so small that she disappears away from ALO, through a world of atoms, and into a world just like Asuka Empire. The microscopic swordswoman tries to find a way to grow back up to ALO. She gets help from some friends in order to do so.

Sonic, Kirito, and everyone go on a quest in Jotunheimr in ALO to get the Holy Sword Excalibur to finish the year off. Will they retrieve the legendary sword and save the land of hill giants, and the surface world? Find out in this epic battle to save ALO. Warning: Spoilers for SAO season 2.

In ALO, Yuuki drank a milkshake which would get bigger everytime she took a sip. She gets shrunk and goes on an adventure facing giant enemies, and attempting to get attention from giant friends, and finding a way to grow to normal. Will she find a way to grow back, or will she just have fun eating giant food, which isn't so bad, or maybe deal with giant bugs, which is bad?

Almost a year has passed since SAO was cleared, Sonic, Tails, Knuckles, and Kirito log into the world of Gun Gale Online to investigate an incident involving Death Gun. They all enter the Buller of Bullets along with a new friend named Sinon to investigate. Will they capture Death Gun and bring him in, or will he continue to wreak havoc in the virtual world? Spoilers for SAO 2.

The sequel to Sonic Into the Virtual Realm. After the death game was cleared, 300 SAO players, including Asuna still haven't woken up. It is known that the incident hasn't ended. When Sonic, Tails, and Kirito get a picture of Asuna from Agil, they travel into the world of Alfheim Online with a new friend, Leafa, to go to the world tree, and rescue Asuna. Warning: Spoilers for SAO 1

In the classic Sonic world, a few weeks after Sonic Mania Plus, Tails lets Sonic try out the Nervegear and falls into the world of Sword Art Online. When the truth of the game gets announced, he has a motivation to clear it. Sonic must clear every floor with new friends to clear the game and save all of the players. Warning: Contains spoilers for the SAO anime series.

The sequel to the Incredible Shrinking Asuna. The day after the previous adventure in ALO, Asuna wakes up in the real world to find her bedroom gigantic. Completely shocked, she called Kirito to help her out. Will Kirito find a way to grow her to normal again? Find out in this sequel.

When Kirito, Asuna, and Yui find a spot for their picnic in ALO, a monster with a special debuff shrunk Asuna down to doll size. Will Kirito find a way to return her to normal size, or will she become Yui's new doll?