57e47233_and_Secrets_for_3DS___GameFAQs__How_to_Unlock
[Unlockable] Worldly Warrior [How to Unlock] 
Let's do this, amigo! Fight 50 matches against another player, because that's the only way to become strong!
Super Street Fighter IV: 3D Edition Cheats, Codes, and Secrets for 3DS - GameFAQs