Shadow the Hedgehog (game), Sonic Wiki Zone
by Pétronille, Marc
The History of Sonic the Hedgehog
Sonic Unleashed (Platinum Hits) - Xbox 360 : Sega of America Inc: Video Games
Sonic Boom: Rise of Lyric - Wikipedia
Netflix's Sonic Prime is so good it should have been a game - Polygon
A brief history of Sonic The Hedgehog on PC
The Story of Sonic the Hedgehog
Sonic Superstars game release date, news & gameplay
The History of: Sonic The Hedgehog
Sega is pulling the vast majority of classic Sonic games from digital stores - The Verge
Best Sonic Games: Ranking The Top 10 Entries In Series History - GameSpot
A brief history of Sonic The Hedgehog on PC
by Pétronille, Marc
The History of Sonic the Hedgehog
How To Play Sonic The Hedgehog Classic on PC & Mac
The Murder of Sonic the Hedgehog on Steam