Sonic 1, 2 & 3 Prototype Comparison (First Zone)

Comparing Prototypes from Sonic the Hedgehog 1, 2 & 3.#SonicGames #Prototypes #Comparison

Sonic 1, 2 & 3 Prototype Comparison (First Zone)

Sonic Origins: The Sonic & Knuckles Prototype Experience

Proto:Sonic the Hedgehog 3/Stage Differences - The Cutting Room Floor

Is it just me, or does the screen size in Sonic 3 A.I.R. just seem too small in comparison to the other games? (First image's source is Sonic Central) : r/SonicTheHedgehog

Sonic the Hedgehog 3 (prototype; 1993-11-03)/Comparisons/Special Stage - Sonic Retro

Proto:Sonic the Hedgehog 3 - The Cutting Room Floor

Sonic 1, 2 & 3 Prototype Comparison (First Zone)

Sonic Origins is using rearrangements of the prototype/S&K Collection music

Sonic 1 Prototype Played on Real Hardware with Final Copy Side-by-Side Comparison : r/SEGAGENESIS

Early Sonic 3 prototype found, features major differences to the final game

Sonic the Hedgehog 2 (2013), Sonic Wiki Zone

Sonic Mania - Wikipedia

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