Sonic the Hedgehog (2006), Sega Wiki

Sonic the Hedgehog is a video game for the Xbox 360 PlayStation 3 And Nintendo Wii that was made to celebrate the 15th anniversary of the Sonic the Hedgehog franchise. It was developed by the Sonic Team and directed by Shun Nakamura. The game allows you to play as three different main characters, and two supporting characters for each main character. Each character has unique character abilities. Sonic the Hedgehog, Shadow the Hedgehog, and Silver the Hedgehog, are the main characters. Miles Tai

Shadow The Hedgehog, Wiki

Sonic Lost World — StrategyWiki Strategy guide and game reference wiki

Proto:Sonic the Hedgehog (2006) - The Cutting Room Floor

Sonic Gems Collection - PCSX2 Wiki

Sonic the Hedgehog Genesis, Sonic Wiki Zone

Sonic Mega Collection Plus - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game

Silver the Hedgehog, Wiki

Sonic the Hedgehog 2006 (lost build of Tokyo Toy Show tech demo of multiplatform platformer; 2005) - The Lost Media Wiki

Sonic the Hedgehog (2006) - The VG Resource Wiki

Sonic the Hedgehog (2006), Sonic Wiki Zone

Sonic Heroes - Wikipedia

Sonic's Schoolhouse - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game