Sonic Mania Sprite Sega Genesis Comparison : r/NintendoSwitch

Genesis / 32X / SCD - Sonic the Hedgehog CD (Sega CD) - Sonic the Hedgehog (Special Stage) - The Spriters Resource

Sonic The Hedgehog - SMS Style Edition (Sprites) by SupaStarFox on DeviantArt

Sonic CD Restored - 30th Anniversary Edition [Sonic CD (2011)] [Mods]

Sonic The Hedgehog Series - Sprite Comparison by Mariofan230 on DeviantArt

Sega Genesis / 32X - Knuckles' Chaotix (32X) - Knuckles the Echidna - The Spriters Resource

Sonic Mania Review (Xbox One) - Official GBAtemp Review

Custom / Edited - Sonic the Hedgehog Customs - Tails (Sonic 1-Style) - The Spriters Resource

Sonic Mania – Sonic City Sonic the Hedgehog News, Media, & Community

Sonic Mania review

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

Custom / Edited - Sonic the Hedgehog Media Customs - Dr. Robotnik (Jim Carrey, Sonic Mania-Style) - The Spriters Resource

Sonic Mania - The Cutting Room Floor