Sonic the Hedgehog (Sega Master System) - SteamGridDB

Sonic SMS Remake: Sonic 2

Sonic SMS 3 Timelines Vita - Vita Homebrew Games (Platform) - GameBrew

Sonic SMS Remake: 2 years later

Just another one of those friendly reminders that Widescreen Sonic 1 SMS exists : r/SonicTheHedgehog

Sonic 1 SMS Remake (2018)

Custom / Edited - Sonic the Hedgehog Customs - Ray (Master System-Style) - The Spriters Resource

Sonic 1 SMS Remake # 1 - A Remodeled Classic

Sonic 1 - SMS Remake (2021) (Android) : The Data Archivist V0.01 : Free Download, Borrow, and Streaming : Internet Archive

Sonic SMS Remake - Character Ending Credits (WIP) by PixelMarioXP on DeviantArt

VitaDB on X: Sonic 1 SMS Remake v.1.0.0 by MDashK & Creative