Shadow vs. AI [P] by: Crimsonroselee Non Anime: Sonic Series Fan FictionGenre(s): Comedy | Type: Alternate UniverseLatest Revision: February 13, 2026 10:05 PST | Chapters: 1 | Words: 1.2K | Visits: 6Summary: Disclaimer: all characters belong to Sega, Dic, and IDW. Tails invents an Alexa like device and Shadow has thoughts.
After sonic underground [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Classic | Type: Alternate UniverseLatest Revision: February 11, 2026 13:08 PST | Chapters: 4 | Words: 3.3K | Visits: 19Summary: Disclaimer: all characters belong to Sega, dic, and IDW. Sonic hasn’t seen his siblings since Sonic Underground was canceled. He’s surprised to find the real reason why he hadn’t heard from them in so long after they finally reunite
Mother’s Day dinner [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Comedy | Type: Alternate UniverseLatest Revision: February 09, 2026 09:21 PST | Chapters: 3 | Words: 3.0K | Visits: 35Summary: Disclaimer: all characters belong to Sega, Dic, and IDW. Sonic, Sonia, and Manic decide to take their mom out for a nice dinner for Mother’s Day. Things don’t go as planned.
Broken Dynasty [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Drama | Type: Alternate UniverseLatest Revision: January 27, 2026 10:31 PST | Chapters: 7 | Words: 8.3K | Visits: 192Summary: Disclaimer: all characters belong to Sega, Dic, and IDW. Sonia has always dreamed of being queen of Mobotropolis. Unfortunately, she won’t be even considered to be in line to take the throne unless her brothers are out of the way. How far read more
Valentine’s Day [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Comedy | Type: Alternate UniverseLatest Revision: January 26, 2026 09:24 PST | Chapters: 3 | Words: 1.4K | Visits: 53Summary: Disclaimer: all characters belong to Sega, Dic, and IDW. Sonic, Sonia, and Manic celebrate Valentine’s Day.
Mobius’ New Heroes 2 [T] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Action / Drama | Type: Alternate UniverseLatest Revision: January 21, 2026 08:58 PST | Chapters: 8 | Words: 8.6K | Visits: 226Summary: Disclaimer: all characters belong to Sega, Dic, and IDW. A month after the events of Mobius’ new heroes, a seemingly new threat arises along with an old foe.
The Disguise [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Drama / Comedy | Type: One ShotLatest Revision: January 20, 2026 12:28 PST | Chapters: 1 | Words: 1.8K | Visits: 20Summary: Disclaimer: all characters belong to Sega, Dic, and IDW. The triplets have a new ally that can get them inside Robotnik’s fortress. To Sonic’s annoyance, he is tasked with being the distraction and deal with whatever disguise Manic picks read more
Class project [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Classic | Type: Alternate UniverseLatest Revision: January 13, 2026 10:09 PST | Chapters: 6 | Words: 5.2K | Visits: 186Summary: Disclaimer: all characters belong to Sega, Dic, and IDW. The students of Mobotropolis high school have to do the cliche assignment of caring for a lifelike robotic baby. This is not an assignment Surge wants to do.
Shadow and Maria [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Drama / Sci-fi | Type: Alternate UniverseLatest Revision: January 09, 2026 10:13 PST | Chapters: 16 | Words: 23.7K | Visits: 423Summary: Disclaimer: all characters belong to Sega, Dic, and IDW. After escaping a miserable life as a lab experiment, an embittered Shadow becomes a criminal. His life changes when he escapes police custody and Mobius for planet earth and meets a lo read more
Grown Apart [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Drama | Type: Alternate UniverseLatest Revision: January 08, 2026 12:27 PST | Chapters: 8 | Words: 6.5K | Visits: 187Summary: Disclaimer: all characters belong to Sega, dic, and IDW. Sonia, Sonic, and Manic had always been close siblings, but that changes as soon as the triplets hit middle school.
Super Sonia [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Fantasy / Sci-fi | Type: Alternate UniverseLatest Revision: January 07, 2026 11:10 PST | Chapters: 9 | Words: 5.5K | Visits: 289Summary: Disclaimer: all characters belong to Sega, Dic, and IDW. Eggman seems to have finally taken over Mobius, capturing Sonic and Manic. Sonia and Shadow are now leaders in the resistance when Sonia is gifted a strange necklace that grants her something read more
Awkward Situation [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Comedy | Type: One ShotLatest Revision: January 05, 2026 07:03 PST | Chapters: 1 | Words: 1.5K | Visits: 24Summary: Disclaimer : all characters belong to Sega, Dic, and IDW. Manic and Surge face the consequences of breaking into the wrong house
Sonic Underground 90s AU [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Comedy | Type: Alternate UniverseLatest Revision: December 22, 2025 10:10 PST | Chapters: 11 | Words: 21.8K | Visits: 597Summary: Disclaimer: all characters belong to Sega, Dic, and IDW except one OC. A collection of short stories where the triplets enjoy their childhood in the 90s.
How Did I Not Notice This?! [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Comedy | Type: One ShotLatest Revision: December 15, 2025 09:40 PST | Chapters: 1 | Words: 826 | Visits: 27Summary: Disclaimer: all characters belong to Sega and Dic. It’s a given that Sonic isn’t home much, but it’s a little surprising how something major can go unnoticed by him for a year.
Happy New Year’s [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Comedy | Type: Alternate UniverseLatest Revision: December 09, 2025 12:12 PST | Chapters: 2 | Words: 2.6K | Visits: 80Summary: Disclaimer: all characters belong to Sega, Dic, and IDW. Aleena throws a New Year’s Eve Party for her family. It goes as well as can be expected.