Sonic the Hedgehog (videogioco 1991 8-bit) - Wikipedia

Sonic the Hedgehog (8-bit), Sonic Wiki Zone

Sonic Mania - Wikipedia

Sonic Forces Sonic Wiki Zone+BreezeWiki

Sonic the Hedgehog (2007 film), Fanon Kingdom Wiki

Green Hill Zone - Wikipedia

Sonic Spinball (8-bit), Sonic Wiki Zone

Sonic Adventure - Wikipedia

Sonic's Ultimate Genesis Collection - Wikipedia

Sonic Spinball, Sonic Wiki Zone

Mario & Sonic at the Olympic Games Tokyo 2020 - Super Mario Wiki

Adventures of Sonic the Hedgehog - Wikipedia

Sonic the Hedgehog 3 - Wikipedia