Sonic 3 & Knuckles - The Cutting Room Floor

Sonic Origins/Sonic 3 & Knuckles - The Cutting Room Floor

Sonic 3 Prototype With Lost Content Discovered - SEGA Online Emulator

Sonic the Hedgehog (1991) Cut Content and Version Differences

Stealth confirms the replaced tracks in Sonic Origins are the Prototype tracks completed by Jun Senoue! : r/SonicTheHedgehog

Sonic' Creator Alludes to Michael Jackson Working on 'Sonic 3' Music

Knuckles Chaotix on Sega 32X, the psychedelic Sonic-adjacent game that at least deserves to be preserved in some form of modern port. More people need to develop their own opinions on it

Sonic the Hedgehog 3 - The Cutting Room Floor

News/Sonic Month Part 5 - Before Hard Times - Sonic 3 (MD) - Hidden Palace

Sonic the Hedgehog 3 - The Cutting Room Floor