Quote Originally Posted by White Knight
Quote Originally Posted by Putney

Probably because it doesn't exist. There was a Game Genie code from a long time ago that allowed you to play as the bosses, but it didn't work right (i.e., the boss move sets were of whatever character you picked, not what they were in SF2CE).
I dunno about that. To many it looks like the Game Genie partially unlocked the secret. Think about it, is there any other game ever where the Game Genie let you play as
someone whom you couldn't normally choose from?
I haven't tried it in a very, very long time, but I remember the colors were off, the animation was glitchy, etc. It struck me that the code simply replaced the sprites of the character you chose with the boss character you picked. If I remember correctly, there was a code for each character to use. I'm sure there would be codes out there to, say, swap Mario with Luigi, but no one would have really cared about that.