Which Sonic game did Knuckles not appear in?
Sonic the Hedgehog, Sonic the Hedgehog 2
Sonic 3D Blast
Sonic 3D Blast
Sonic the Hedgehog 3
Sonic the Hedgehog 2
Sonic 3D Blast
Sonic X-treme
Sonic the Hedgehog 3
Sonic the Hedgehog 2
Sonic 3D Blast
Sonic X-treme
Sonic the Hedgehog 3
Sonic the Hedgehog 4
Sonic the Hedgehog 2
Sonic Adventure 2
Sonic Mania
Sonic 3D Blast
Sonic X-treme
Sonic the Hedgehog 3
Sonic the Hedgehog 4
Sonic the Hedgehog 2
Sonic Adventure 2
Sonic and the Black Knight
Sonic Mania
Sonic 3D Blast
Sonic and the Secret Rings
Sonic the Hedgehog
Sonic X-treme
Sonic the Hedgehog 3
Sonic the Hedgehog 4
Sonic Runners
Sonic Adventure 2
Sonic Heroes
Sonic the Hedgehog 2
Sonic and the Black Knight
Sonic Mania
Sonic 3D Blast
Sonic the Hedgehog 5
Sonic and the Secret Rings
Sonic the Hedgehog
Sonic X-treme
Sonic the Hedgehog 3
Sonic Heroes
Sonic Adventure 2
Sonic the Hedgehog 4
Sonic and the Black Knight
Sonic the Hedgehog 2
Sonic Mania
Sonic 3D Blast
Sonic Runners
Sonic the Hedgehog 5
Sonic the Hedgehog
Sonic CD
Sonic Heroes
Sonic X-treme
Sonic and Knuckles
Sonic the Hedgehog 3
Sonic Adventure 2
Sonic the Hedgehog 4
Sonic Mania
Sonic the Hedgehog 2
Sonic and the Secret Rings
Sonic 3D Blast
Sonic and the Black Knight
Sonic 2
Sonic CD
Sonic Heroes
Sonic Generations
Sonic the Hedgehog 5
Sonic the Hedgehog
Sonic Adventure 2
Sonic X-treme
Sonic 3D Blast.
Sonic the Hedgehog 3
Sonic Runners
Sonic 3
Sonic Mania
Sonic the Hedgehog 4
Sonic and Knuckles
Sonic the Hedgehog 2
Sonic 2
Sonic CD
Sonic Heroes
Sonic 3D Blast
Sonic Advance 3
Sonic Unleashed
Sonic the Hedgehog 5
Sonic and the Secret Rings
Sonic Adventure 2
Sonic the Hedgehog
Sonic and the Black Knight
Sonic X-treme
Sonic Runners
Sonic 3
Sonic the Hedgehog 3
Sonic Generations
Sonic 2
Sonic Mania
Sonic CD
Sonic Heroes
Sonic the Hedgehog 4
Sonic the Hedgehog 2
Sonic 3D Blast
Sonic and Knuckles
Sonic Adventure 2
Sonic the Hedgehog 5
Sonic the Hedgehog
Sonic 3
Sonic X-treme
Sonic and the Secret Rings
Sonic 2
Sonic Advance 3
Sonic CD
Sonic Heroes
Sonic the Hedgehog 3
Sonic and the Black Knight
Sonic Unleashed
Sonic Mania
Sonic the Hedgehog 4
Sonic Generations
Sonic the Hedgehog 2
Sonic 3D Blast
Sonic Runners
Sonic Adventure 2
Sonic 3
Sonic 3D Blast.
Sonic and Knuckles
Sonic 2
Sonic the Hedgehog 5
Sonic the Hedgehog
Sonic CD
Sonic Heroes
Sonic X-treme
Sonic and the Secret Rings
Sonic the Hedgehog 3
Sonic and the Black Knight
Sonic Mania
Sonic the Hedgehog 4
Sonic 3
Sonic 3D Blast
Sonic the Hedgehog 2
Sonic Adventure 2
Sonic Advance 3
Sonic Generations
Sonic Unleashed
Sonic 2
Sonic CD
Sonic Heroes
Sonic the Hedgehog
Sonic Runners
Sonic X-treme
Sonic Mania
Sonic Unleashed.
Sonic the Hedgehog 3
Sonic 3
Sonic the Hedgehog 4
Sonic and the Secret Rings
Sonic 2
Sonic Adventure 2
Sonic Advance 3
Sonic CD
Sonic: The Lost World
Sonic Heroes
Sonic 3D Blast
Sonic the Hedgehog 2
Sonic and the Black Knight
Sonic 3D Blast.
Sonic Generations
Sonic the Hedgehog
Sonic 3
Sonic X-treme
Sonic the Hedgehog 3
Sonic 2
Sonic CD
Sonic Heroes
Sonic Mania
Sonic Adventure 2
Sonic Runners
Sonic the Hedgehog 4
Sonic 3D Blast
Sonic the Hedgehog 2
Sonic and the Secret Rings
Sonic Advance 3
Sonic Unleashed.
Sonic and the Black Knight
Sonic 3 and Sonic 2
Sonic the Hedgehog
Sonic 3
Sonic Generations
Sonic 2
Sonic CD
Sonic Heroes
Sonic X-treme
Sonic the Hedgehog 3
Sonic Adventure 2
Sonic the Hedgehog 4
Sonic 3D Blast
Sonic the Hedgehog 2
Sonic & Tails
Sonic 3
Sonic Mania