Sonic Generations mod adds most levels from console-exclusive Sonic Unleashed

User blog:NOS Sterling/Opinion:The future of the Sonic Franchise

Which is the best Sonic game: Sonic Unleashed, Sonic Generations

Steam Community :: Guide :: Mods for Sonic Generations

Sonic the Hedgehog (2006) (Video Game) - TV Tropes

Sonic Generations: Unleashed Edition

Best Sonic games: Every game ranked best to worst

Sonic Generations/Beta elements, Sonic Wiki Zone

Sonic Unleashed Generations Mod Project - Page 4 - Sonic Chat

Sonic Unleashed for the Xbox 360 - Windmill Isle image - Mod DB

Steam Community :: Guide :: How to Install Sonic Unleashed Mod?

Sonic Unleashed Blasts PCs to Pieces in Sonic Generations Mod