Project Shadow: a Sonic Movie/underground AU prequel [P] by: Crimsonroselee Non Anime: Sonic Series Fan FictionGenre(s): Drama / Sci-fi | Type: Alternate UniverseLatest Revision: April 08, 2026 11:17 PDT | Chapters: 5 | Words: 5.1K | Visits: 18Summary: Disclaimer: all characters belong to Sega. Shadow was taken from his home planet and brought aboard the space station ARK where Dr. Gerald Robotnik is doing research, including NIDS research to cure his sickly granddaughter Maria. After Maria read more
Sonic Underground 90s AU [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Comedy | Type: Alternate UniverseLatest Revision: April 02, 2026 14:06 PDT | Chapters: 13 | Words: 24.6K | Visits: 799Summary: 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.
Surge and Kit’s not so epic road trip [T] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Comedy | Type: Alternate UniverseLatest Revision: April 01, 2026 09:03 PDT | Chapters: 6 | Words: 5.0K | Visits: 129Summary: Disclaimer: all characters belong to Sega, Dic, and Idw. Surge and Kit go on a three day road trip to begin their new jobs at Eggman empire. It goes as well as you can expect.
Dreams come true [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Drama / Fantasy / Sci-fi | Type: Alternate UniverseLatest Revision: March 23, 2026 14:12 PDT | Chapters: 12 | Words: 13.6K | Visits: 303Summary: Disclaimer: all characters belong to Sega, Dic, and IDW. Sonic has spent most of his life as a guardian of the legendary Chaos emeralds, locked away in the Emerald palace as part of his duties, and longs for a moment to escape. When he finall read more
Freedom or another prison [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Drama | Type: Alternate UniverseLatest Revision: March 17, 2026 09:29 PDT | Chapters: 10 | Words: 11.9K | Visits: 227Summary: Disclaimer: all characters belong to Sega, dic, and IDW. Surge and Kit thought they were finally being adopted into a loving family. Instead, the only reason they were adopted was to be used as pawns in Dr. Starline’s evil scheme to take o read more
(I wish) this was a nightmare [T] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Drama | Type: Alternate UniverseLatest Revision: March 16, 2026 11:48 PDT | Chapters: 4 | Words: 3.7K | Visits: 118Summary: Disclaimer: all characters belong to Sega, dic, and IDW. After a tragedy leaves Sonic and his family devastated, Shadow tries to change the past to prevent it from happening. (Trigger warning for implied suicide)
A Horcrux’s Fate [A] by: Khauro : Final Fantasy - All Series Fan Fiction / Harry Potter - Series Fan FictionGenre(s): Mystery / Fantasy / Drama | Type: Alternate UniverseLatest Revision: March 07, 2026 15:29 PST | Chapters: 27 | Words: 294.8K | Visits: 9.3KSummary: (COMPLETE) Harry Potter may have triumphed over Lord Voldemort in their final battle, but true peace proved fleeting. Though the Dark Lord was gone, Harry carried a deeper, more insidious wound—one that left his very life at risk. As a surviving Horcrux, read more
Sick Day [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Comedy | Type: Alternate UniverseLatest Revision: March 02, 2026 06:30 PST | Chapters: 2 | Words: 1.2K | Visits: 88Summary: Disclaimer: all characters belong to Sega, dic, and IDW. Sonic, Shadow, and Manic get sick and have very different ways to deal with it.
Easter dinner [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Comedy | Type: Alternate UniverseLatest Revision: February 26, 2026 10:31 PST | Chapters: 3 | Words: 2.6K | Visits: 94Summary: Disclaimer: all characters belong to Sega, Dic, and IDW. The triplets go to Aleena’s house for Easter dinner.
Shadow the Hedgehog [T] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Action / Drama | Type: Alternate UniverseLatest Revision: February 16, 2026 12:06 PST | Chapters: 7 | Words: 7.4K | Visits: 301Summary: Disclaimer: all characters belong to Sega, Dic, and IDW. An already grieving Ex-GUN agent Shadow the hedgehog is handed another tragedy after a robbery results in his prized motorcycle being stolen and his wife killed. He sets out on a missi read more
Shadow vs. AI [P] by: Crimsonroselee : Sonic Series Fan FictionGenre(s): Comedy | Type: Alternate UniverseLatest Revision: February 13, 2026 10:05 PST | Chapters: 1 | Words: 1.2K | Visits: 37Summary: 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: 149Summary: 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: 90Summary: 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: 319Summary: 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: 98Summary: Disclaimer: all characters belong to Sega, Dic, and IDW. Sonic, Sonia, and Manic celebrate Valentine’s Day.