57e47233_and_Secrets_for_3DS___GameFAQs__How_to_Unlock
[Unlockable] Long Time No See [How to Unlock] 
Do you wish for defeat? If so, complete Arcade Mode on Hardest difficulty and beat Gouken!
Super Street Fighter IV: 3D Edition Cheats, Codes, and Secrets for 3DS - GameFAQs