Sonic the Hedgehog (lost build of cancelled Amiga port of Sega

Sonic-16 (non-existent build of unreleased Sega Genesis/Mega Drive game based on Sonic the Hedgehog animated TV series; 1993) - The Lost Media Wiki

rom « SEGADriven

game gear « SEGADriven

Sonic The Hedgehog 1 for Amiga? - Unseen64

Sonic Origins Review (Switch eShop)

Sonic the Hedgehog (Amiga, C64, ZX Spectrum), Cancelled Games Wiki

Category:Lost Sonic, Lost Media Archive

Hardware Classics: Sega Mega Drive / Genesis

Editing Sonic the Hedgehog (lost build of cancelled Sega CD port of Sega Genesis platformer; 1992) - The Lost Media Wiki

Retro Gamer No. 249 (Digital)

Do you feel Sega is a good video game company nowadays? - Quora

The cancelled Commodore Amiga conversion of Sonic 1.

RETRO GAMING PODCAST = Doom Eternal Drama! / Sonic Frontiers Thoughts! / Streets of Rage 2 Anniversary Edition! / Kevin Conroy RIP / Games Master Returns! #SLOPES – SLOPESCAST – Podcast – Podtail

Sega Genesis: Most Up-to-Date Encyclopedia, News & Reviews

Sonic the Hedgehog (lost Winter Consumer Electronics Show 1991 demo build of Sega Genesis/Mega Drive platformer; 1991) - The Lost Media Wiki