Street Fighter 3 Double Impact Impact Codes -

 

Fight as Yang:
Highlight Yun at the Street Fighter 3 character selection screen and press any Kick button.

Fight as Gouki (Akuma):
Highlight Sean at the Street Fighter 3 Second Impact character selection screen and press .

Fight as Shin Gouki:
On Street Fighter 3 Second Impact, set the game to "Easy", time to "On", hit damage to "High", one round, and play as Ryu. Then, in arcade mode, never lose a round, defeat as many opponents with perfects and super finishes. You should find your half way boss or AKA rival. Defeat him (Sean)and fight all the way to the end of the game on your last man. Gouki will appear and hell death murder your last man. Defeat him without losing the round. If you do, he will get up and turn into Shin Gouki. Defeat him and not only will you get a different ending but you will get to play as Shin Gouki. To do so, highlight Gouki at the character select screen and hold before you press a button.

Fight as Gill:
Successfully complete Street Fighter 3 or Street Fighter 3 Second Impact under any difficulty setting. Highlight Sean at the character selection screen and press (2).

Alternately, on Street Fighter New Generation highlight Sean and press . Gill will appear, but you can only choose one of his Super Arts.

Extra options:
Unlock Gill and Shin Gouki. Enter the option screen of either game and hold + . Keep those buttons held until the extra options appear at the end of the code. Highlight the "Game Option" selection and press (2), (2), (2). Highlight the "Button Config" selection and press (2), (2), (2). Highlight the "Screen Adjust" selection and press (2), , , (2). Highlight the "Sound" selection and press (2), , , (2). If done correctly the "Extra Options" selection should now be unlocked.

Full pause screen:
Pause game play, then press + .