What extra Sonic game is this?
Sonic & Knuckles (1994)
What extra Sonic game is this?
Sonic and the Secret Rings (2007)
What extra Sonic game is this?
Sonic and the Black Knight (2009)
What extra Sonic game is this?
Sonic the Hedgehog 4: Episode 1 (2010)
What extra Sonic game is this?
Sonic the Hedgehog 4: Episode 2 (2012)
What extra Sonic game is this?
Sonic the Hedgehog 3 & Knuckles (1994)
What extra Sonic game is this?
Sonic & All-Stars Racing Transformed (2012)
