Which game in the Sonic series sold the most copies?
Sonic the Hedgehog
Sonic 3D Blast
Sonic 3D Blast
Sonic the Hedgehog 2
Sonic the Hedgehog 3
Sonic 3D Blast
Sonic the Hedgehog 3
Sonic the Hedgehog 2
Sonic 3D Blast
Sonic X-treme
Sonic Unleashed
Sonic the Hedgehog 3
Sonic the Hedgehog 2
Sonic 3D Blast
Sonic the Hedgehog
Sonic X-treme
Sonic the Hedgehog 4
Sonic CD
Sonic Unleashed
Sonic the Hedgehog 3
Sonic 3D Blast
Sonic the Hedgehog
Sonic the Hedgehog 2
Sonic Mania
Sonic 3
Sonic 3 and Sonic 2
Sonic X-treme
Sonic the Hedgehog 4
Sonic CD
Sonic 2
Sonic Adventure 2
Sonic the Hedgehog 3
Sonic 2: Sonic Adventure 2
Sonic Unleashed
Sonic 3D Blast
Sonic the Hedgehog
Sonic the Hedgehog 5
Sonic 3
Sonic the Hedgehog 2
Sonic Heroes
Sonic CD
Sonic 2
Sonic Mania
Sonic X-treme
Sonic the Hedgehog 4
Sonic 3 and Sonic 2
Sonic Adventure 2
Sonic the Hedgehog 3
Sonic 3
Sonic 3D Blast
Sonic Heroes
Sonic the Hedgehog
Sonic CD
Sonic the Hedgehog 5
Sonic Unleashed
Sonic 2
Sonic the Hedgehog 2
Sonic & Tails
Sonic X-treme
Sonic 2: Sonic Adventure 2
Sonic the Hedgehog 4
Sonic Adventure 2
Sonic Mania
Sonic 3
Sonic 3 and Sonic 2
Sonic Heroes
Sonic the Hedgehog 3
Sonic CD
Sonic 2
Sonic 3D Blast
Sonic the Hedgehog
Sonic the Hedgehog 5
Sonic the Hedgehog 2
Sonic Unleashed
Sonic Adventure 2
Sonic X-treme
Sonic 3
Sonic the Hedgehog 4
Sonic Heroes
Sonic CD
Sonic 2
Sonic Mania
Sonic 2: Sonic Adventure 2
Sonic the Hedgehog 3
Sonic 3 and Sonic 2
Sonic 3D Blast
Sonic & Tails
Sonic the Hedgehog
Sonic the Hedgehog 5
Sonic the Hedgehog 2
Sonic Adventure 2
Sonic 3
Sonic and Tails
Sonic Heroes
Sonic X-treme
Sonic CD
Sonic the Hedgehog 4
Sonic 2
Sonic the Hedgehog 3
Sonic Unleashed
Sonic 3D Blast
Sonic & Tails
Sonic and the Secret Rings
Sonic Mania
Sonic the Hedgehog 6
Sonic the Hedgehog
Sonic 3
Sonic Adventure 2
Sonic the Hedgehog 5
Sonic Heroes
Sonic and Tails
Sonic the Hedgehog 2
Sonic CD
Sonic 2
Sonic X-treme
Sonic the Hedgehog 4
Super Sonic 3D Blast
Sonic 3
Sonic and the Black Knight
Sonic the Hedgehog 3
Sonic 3D Blast
Sonic & Tails
Sonic Heroes
Sonic the Hedgehog
Sonic CD
Sonic Adventure 2
Sonic 2
Sonic Mania
Sonic the Hedgehog 5
Sonic the Hedgehog 2
Sonic and the Secret Rings
Sonic and Tails
Sonic Unleashed
Sonic X-treme
Sonic the Hedgehog 4
Sonic 3
Sonic Heroes
Sonic CD
Sonic the Hedgehog 6
Sonic the Hedgehog 3
Sonic 2
Sonic 3D Blast
Sonic & Tails
Sonic Adventure 2
Sonic Runners
Sonic the Hedgehog
Super Sonic 3D Blast
Sonic and the Black Knight
Sonic Mania
Sonic the Hedgehog 5
Sonic the Hedgehog 2
Sonic 3
Sonic X-treme
Sonic Heroes
Sonic the Hedgehog 4
Sonic CD
Sonic and the Secret Rings
Sonic 2
Sonic Adventure 2
Sonic and Tails
Sonic Unleashed
Sonic the Hedgehog 3
Sonic 3D Blast
Sonic & Tails
Sonic the Hedgehog
Sonic the Hedgehog 1
Sonic the Hedgehog 5
Sonic 3
Sonic Mania
Sonic the Hedgehog 2
Sonic Heroes
Super Sonic 3D Blast
Sonic CD
Sonic and the Black Knight
Sonic 2
Sonic X-treme
Sonic the Hedgehog 4
Sonic Runners
Sonic the Hedgehog 6
Sonic Adventure 2
Sonic 3D Blast
Sonic & Tails
Sonic the Hedgehog 3
Sonic the Hedgehog
Sonic 3
Sonic the Hedgehog 1
Sonic Heroes
Sonic CD
Sonic the Hedgehog 5
Sonic Unleashed
Sonic and Tails
Sonic 2
Sonic the Hedgehog 2
Sonic the Hedgehog 64
Sonic Colors
Sonic X-treme
Sonic the Hedgehog 4
Sonic Adventure 2
Sonic Mania
Sonic 3
Sonic and the Black Knight