Classic Sonic: 1991 - 2017 : r/SonicTheHedgehog

Blue Blur_26

Sonic Generations: A Shift Between Classic Sonic & Modern Sonic – Mother Nature

Blue Blur_26 - AAAAAAAAAAAAAAAAA!!! Art: SonicTheHedgehog/comments/ywuvfu/knuckles_echidna_comic_14_gliding_logic_art_by_me/

Sonic The Hedgehog, PDF document

The Classic Sonic The Hedgehog years from Sonic The Hedgehog (1991) to Sonic Mania (2017).

Sonic the Hedgehog at 30: How Sega conquered the video games industry – and then threw it all away

Is Sonic The Hedgehog still as popular today as it was a decade ago? - Quora

Evolution of Classic Sonic the Hedgehog (1991-2022)

Sonic the Hedgehog (2013), Sonic Wiki Zone

Evolution of Classic Sonic (1991 - 2021)