List of Sonic the Hedgehog video games - Wikipedia

Sonic the Hedgehog (lost Winter Consumer Electronics Show 1991 demo build of Sega Genesis/Mega Drive platformer; 1991) - The Lost Media Wiki

Sonic the Hedgehog 2 (film) - Wikipedia

Sonic Superstars, Sonic Wiki Zone

Sonic Advance - Wikipedia

Sonic and the Secret Rings - Wikipedia

List of All Main Line Sonic Games in Order

Sonic Origins - Wikipedia

Sonic Frontiers - Wikipedia

Team Sonic Racing - Wikipedia