Sonic '06 Website : SEGA : Free Download, Borrow, and Streaming : Internet Archive

Sonic the Hedgehog (Video Game 2006) - IMDb

Another Sonic The Hedgehog 2006 Sonic Render by yosder-man on DeviantArt

The Forgotten, the Maligned: Sonic the Hedgehog (2006) – Source Gaming

Steam Workshop::Sonic the Hedgehog 2006

Sonic the Hedgehog (2006)

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

Sonic the Hedgehog (2006) Game Review- Is It Really That Bad? – The Patriot

Sonic the Hedgehog for PlayStation 3 - Sales, Wiki, Release Dates

Sonic the Hedgehog (2006)

Sonic the Hedgehog (2006) - GameSpot