Zone: 0 > Sonic 1 > Background Information

New Sonic the Hedgehog (1991) prototype uncovered by preservation groups - Tails' Channel

Sonic the Hedgehog technological and gaming history

We Build LEGO Sonic the Hedgehog, A Fuzzy Throwback to the 16-Bit Era - IGN

Stream Sonic 1 Final Boss Orchestra DLC Remix(with Joshua Taipale) by marvinvalentin

Sonic Superstars review: fun 2D throwback takes things slow

cohost! - u ever heard of Pepsi in Sonic 1

Sonic The Hedgeblog on X: 'Sonic 1 Reverse Curse' (S1 Decomp Mod) by campbellsonic Sonic has been cursed! Now, when he collects rings, his counter counts DOWN instead of up! And if

Sonic Origins for Nintendo Switch - Nintendo Official Site

LEGO Sonic The Hedgehog Sonic's Green Hill Zone Loop Challenge 76994 Building Toy Set, Sonic Adventure Toy with 9 Sonic and Friends Characters, Fun Gaming Gift for Christmas for 8 Year

Proto:Sonic the Hedgehog (Genesis)/Green Hill Zone - The Cutting Room Floor

Sonic 1 Pre-WCES Secret Zone by Savestate

Zone: 0 > Sonic 1 > Background Information

Sonic the Hedgehog 2's Biggest Easter Egg and Other References - IGN