Knuckles the Echidna in Sonic the Hedgehog

Knuckles the Echidna in Sonic the Hedgehog

Super Knuckles (once all emeralds are obtained): B B B B Up Down Left Right (A ring sound will play if code is entered correctly).

Start with all emeralds: B B B B B B Up Down Left Right (The Chaos Emerald collection sound will play if code is entered correctly).