Sonic the Hedgehog for PlayStation 3 - Cheats, Codes, Guide, Walkthrough, Tips & Tricks

VGChartz - extensive game chart coverage, including sales data, news, reviews, forums, & game database for PS5, Xbox Series, Nintendo Switch & PC

Sonic Unleashed for Xbox 360 - Cheats, Codes, Guide, Walkthrough, Tips & Tricks

Every Cheat Code in Sonic Origins

Sonic CD Reviews, Cheats, Tips, and Tricks - Cheat Code Central

Top Ten 3D Sonic Games

Sonic & Knuckles Cheats For Genesis Xbox 360 - GameSpot

Staff Memories of Sonic the Hedgehog - Feature

Sonic Adventure 2 Reviews, Cheats, Tips, and Tricks - Cheat Code Central

Sonic Generations for PlayStation 3 - Cheats, Codes, Guide, Walkthrough, Tips & Tricks

Sonic 2 Level Select & Debug Mode Guide, PS4, Switch & XB1