How do you become super sonic in sonic 2?

Answer 1

Collect all seven emerald from the special stages or use this code. 1st go to options 2nd go on the souind thing do this code 19, 65, 9, 17, then push C.go to the sound test item, and play sounds in this order: 4, 1, 2, 6 then get fithty rings and jump