Sonic Blast - Wikipedia

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Sonic the Hedgehog, Sega Wiki

Sonic Chronicles: The Dark Brotherhood - Wikipedia

Sonic 3D Blast - Dolphin Emulator Wiki

Sonic Robo Blast - SRB2 Wiki

Sonic Drive-In - Wikipedia

Sonic Boom: Fire & Ice - Wikipedia

Sonic the Hedgehog 4: Episode I - Wikipedia

Sonic Heroes, Sonic Wiki Zone

Sonic Riders (lost build of cancelled Game Boy Advance port of racing game; 2006) - The Lost Media Wiki

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