Select any character and beat the game with him/her. Initially, you'll have access to only 6 different colors. However, once you have beaten the game, you'll have access to 6 more colors for a total of 12. Hold start and press an attack button when you select your character to get the alternate outfits. This only works for characters that you've beaten the game with already.
Fight As Akuma
Select Super T player type, then highlight the following characters in order, waiting one second between each selection: Ryu, T. Hawk, Guile, Cammy, Ryu. Then, press Start and within one second press all three Punch buttons simultaneously.
Fight Q in SF3:TS Arcade Mode
This works on any difficulty. To fight Q, play a game and don't lose a single match. At the 8th match after defeating your opponent, Q's will appear on screen, and you'll fight him in the 9th round.
Play As Akuma In Hyper Street Fighter 2
Select Super T player type, then highlight the following characters in order, waiting one second between each selection: Ryu, T. Hawk, Guile, Cammy, Ryu. Then, press Start and within one second press all three Punch buttons simultaneously.
Selecting the 13th costume in SF3:TS
There is a 13th costume for each character. Select your character by pressing Square + Circle + R1.
Speed Up Background In Hyper Street Fighter 2
When you are at the "Vs". or "Winner" screen before or after a fight, hold X and the background will speed up.
Street Fighter III : Third Strike Unlockables
By beating the Arcade Mode, you can unlock these secrets. It can be done on any difficulty with the System Direction Mode set on Normal.
Effect - Code
System Direction Page 8 - Beat Arcade Mode with 5 Different Characters.
System Direction Page 9 - Beat Arcade Mode with 10 Different Characters.
System Direction Page 10 - Beat Arcade Mode with 15 Different Characters.
Extra Options - Beat Arcade Mode with Gill.
Gill - Beat Arcade Mode with all of the Characters.
