Sonic the Hedgehog 8-bit: Changes from Master System to Game Gear

Sonic the Hedgehog (8-bit), Sonic Wiki Zone

Sonic the Hedgehog [Game Gear] - IGN

Sonic for the Master System - An Oddball Retrospective! - Indie Hive

Sonic the Hedgehog 2 (8-bit), Sonic Wiki Zone

Sonic the Hedgehog 2 - Sega Game Gear

Just curious; What are your opinions on the 8-bit Sonic games? : r/SonicTheHedgehog

Sonic the Hedgehog (8-bit) Sonic the hedgehog, Sega master system, Sonic

What are your thoughts on the 8 bit Sonic games (not including Sonic Chaos or Triple Trouble since they're on Game Gear and I'm talking about Master System games) : r/SonicTheHedgehog

Sonic Master system vs Game gear playthrough

Retro Game Reviews: Sonic the Hedgehog 2 (Game Gear review)

Sonic the Hedgehog 2 - Sega Game Gear

Sonic the Hedgehog 2 (8-bit)/Comparisons - Sonic Retro