Street Fighter Anniversary Collection Cheats

In order to fight Q you must not lose a single round up to the end of stage 8. If you do this successfully his picture will flash across the screen and the fight will begin.

Hold the back button when you've highlighted the character, then press any of the three punches or kicks to get a hidden costume. You must have beaten the game with a character to use any of his/her hidden costumes. To use the secret costume and press LP, HP, and MK. (beating the game with the character is not required for this costume).