Tier Lists of 2D and 3D Sonic games (Including Project- 06) : r/SonicTheHedgehog

Gotta Go Fast: Ranking All of The Sonic The Hedgehog Games

3D Sonic Games Ranked : r/tierlists

Sonic Robo Blast 2 – Official Website

Bloom Report April 22-29, 2022

The History of Sonic the Hedgehog: The Reinvigoration Era - LevelSkip

Is Sonic the Hedgehog still popular in the United States? - Quora

The Best Non-Violent Video Games by James Batchelor - Ebook

Shacknews Hall of Fame: Class of 2021

Glossary MoeGamer

References to Sonic in video games - Sonic Retro

My attempt to play all Sonic games - Page 2 - Games - Sonic Stadium

Here's the keys - make a crossover fighter with [INSERT IP HERE]., Page 18

my played sonic games tier list (updated) by earthbouds on DeviantArt