Sonic The Hedgehog 3 prototype discovered and put online for all to enjoy

A piece of Sonic the Hedgehog history has made its way online after more than 25 years.

Sonic the Hedgehog CD (Mega-CD prototype; 1993-05-10) - Sonic Retro

Sonic the Hedgehog 3 (Nov 3, 1993 prototype) - Hidden Palace

Sonic 3 Prototype With Lost Content Discovered - SEGA Online Emulator

Sonic 3 Prototype - Graphics, Soundtrack, and Level Differences

Proto:Sonic the Hedgehog (Genesis) - The Cutting Room Floor

Rare Sonic the Hedgehog 3 prototype found, features cut zones, alternate music, different art, cut gameplay mechanics, and more : r/Games

Sonic the Hedgehog 3 (prototype; 1993-11-03)/Hidden content - Sonic Retro

Sonic the Hedgehog 4: Episode I - Wikipedia

Sonic the Hedgehog 3, Nintendo