sonic_the_hedgehog_(classic)
The Pre-Sega Dreamcast era of Sonic_the_Hedgehog. May also apply to mainline works that use the art style and characters common to this era.
h4. Main Games
* Sonic_the_Hedgehog (1991, Genesis, Game Gear, Master System)
* Sonic the Hedgehog 2 (1992, Game Gear, Master System)
* Sonic CD (1993, Sega CD)
* Sonic Chaos (1993, Game Gear, Master System)
* Sonic the Hedgehog 3 (1994, Genesis)
* Sonic & Knuckles (1994, Genesis)
* Sonic Triple Trouble (1994, Game Gear)
* Knuckles' Chaotix (1995, 32X)
* Sonic_X-treme (Cancelled)
* Sonic Mania (2017, Switch, Xbox One, PlayStation 4, Steam)
* Sonic Superstars (2023, Switch, Xbox One, Xbox Series X/S, PlayStation 4, PlayStation 5, Steam)
h4. Spinoff Games
* SegaSonic the Hedgehog (1993, Arcade)
* Sonic Spinball (1993, Genesis)
* Sonic Drift (1994, Game Gear)
* Sonic Drift 2 (1995, Game Gear)
* Tails' Skypatrol (1995, Game Gear)
* Tails Adventure (1995, Game Gear)
* Sonic Labyrinth (1995, Game Gear)
* Sonic the Fighters (1996, Arcade)
* Sonic 3D: Flickies' Island (1996, Genesis, Saturn)
* Sonic R (1997, Saturn, Windows)
h4. Adaptations based on this era
* Adventures of Sonic the Hedgehog (1993)
* Sonic the Hedgehog (SatAM) (1993)
* Sonic the Hedgehog (OVA) (1996)
* Sonic Underground (1999)
* Sonic Mania Adventures (2018)
Aliases: none