Sonic & Knuckles + Sonic The Hedgehog 3 (World) - ROMs Mega Drive - Sega - Mega Drive - Planet Emulation

Super Sonic (lost build of cancelled Sega CD port of Sega Genesis platformer Sonic the Hedgehog 2; existence unconfirmed; 1992-1993) - The Lost Media Wiki

Sonic the Hedgehog (2006) - MobyGames

Sonic 2: S3 Edition - Sonic Retro

Sonic & Knuckles + Sonic the Hedgehog 3 (World) ROM < Genesis ROMs

OLD) Sonic Generations 3 ROM Hack Update 1

Sonic & Knuckles Collection (Game) - Giant Bomb

Hack~ Sonic the Hedgehog 3: Complete (Mega Drive) · RetroAchievements

Megadrive ROMs Download - Free Sega Genesis Games - ConsoleRoms

Sonic The Hedgehog 3 Remastered (Hack Rom) By Press Start

Carson on X: So This Sonic 3 prototype is dated at November 3rd, 1993. The final build is dated at November 20th, 1993. That means it was less than 3 weeks between