Sonic the Hedgehog - Playstation 3 : Sega of America Inc: Video Games

Sonic the Hedgehog - Playstation 3 : Sega of America Inc: Videospiele

History of the Sega Genesis – Dawn of the 16-bit Era

Sonic CD - Wikipedia

Free versions of 'Sonic the Hedgehog' and other classic Sega games are coming to iPhone and Android

In Sonic Forces, the evil Dr. Eggman has conquered much of the world with help from a powerful and mysterious new villain named Infinite. Now, you must assist Sonic and build an army to reclaim the world as you fight against chaos and destruction. Defeat enemies with blazing speed as Modern Sonic, catapult past perilous platforms as Classic Sonic, and create your very own Custom Hero Character equipped with a variety of powerful gadgets.

Sonic Generations (3DS)

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

Sonic The Hedgehog franchise moved 1.6bn units

Best Sonic games ranked - the games to play before Sonic Superstars

PlayStation 3, Sonic Wiki Zone

Sonic Frontiers Official Website

Sonic Spinball - Wikipedia

Sonic the Hedgehog: The Complete Story Guide - History-Computer

PlayStation Sonic the Hedgehog: Genesis Video Games