

Always Check Behind the Chair: One portal was found inside a book.The Alpha and the Omega arc has Classic Sonic, Classic Tails, and Riolu appear.Alternate Self: The Secret Rings and Black Knight arcs bring back the doppelgangers of Sonics friends seen in the original games and even introduces a few new ones.Adapted Out: Classic Sonic is removed from the story in favor of ponies.In addition, even though the story takes mostly elements from the 360/PS3/PC versions of Sonic Generations, it also uses elements from the Nintendo 3DS version of the game.Some of the events of the original game are also modified: Tails fights Metal Sonic instead of Sonic himself, Nightmare Moon is the boss of the Classic Era instead of the Death Egg Robot, and the Final Hazard takes Perfect Chaos's place, to name a few examples. Green Hill is still used, but the levels after that are completely different. Adaptation Expansion: Despite the fanfic still taking the same games that Sonic Generations took, it does not take most of the levels.

This Fan Fic contains examples of the following tropes: The former is a sequel to Sonic Boom: Shattered Crystal while the latter adapts the storyline of Sonic Forces. This fanfic received two sequels: Equestria Girls/Sonic Boom: The Crossover Series Pre-Sequel Sequel and Sonic Forces: Into the Mania.

Some time later, a Spin-Off story has been released, entitled Adventures on the Friendship Express, explaining exactly what happened during chapters 15 and 16 of the original story. Modern Era: Chapters 12-15 ( Flame Core, Dragon Road, Sweet Mountain/Planet Wisp).Dreamcast Era: Chapters 7-11 ( Lost World/Windy Valley, Mission Street, Frog Forest).Classic Era: Chapters 2-6 ( Green Hill, Metropolis, Ice Cap).
