Sonic 3 Complete - Sonic Retro

Sega Genesis / 32X - Sonic the Hedgehog 3 - Dr. Robotnik / Eggman - The Spriters Resource

Sonic 3 Complete [Luma3DS Port] by NyrroV2 - Game Jolt

Sonic & Knuckles

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

Sonic The Hedgehog 3 & Knuckles (lost build of cancelled iOS port of Sega Genesis platformers; 2014) - The Lost Media Wiki

Sonic the Hedgehog 3 Complete (Sega Genesis / Megadrive) - Region Free Reproduction Cartridge with Clamshell Case: Sega Genesis: Video Games

Sonic 3 Complete, Reproduction Cartridge - 8Bitplus

Sonic 3 Complete - The Independent Video Game Community

Sega announces new Sonic the Hedgehog classic collection, Sonic Origins - Polygon

Sega Genesis / 32X - Sonic 3 Complete (Hack) - Super Sonic (Sonic 3) - The Spriters Resource

Sonic 3 Complete, Reproduction Cartridge - 8Bitplus

Sonic the Hedgehog 3/Sonic & Knuckles Leftovers - The Cutting Room Floor