In the Options menu of any of the Games, do the following:
Highlight Game Options hold L1 and press X. Here, you can enable your characters to heal themselves, refill there Super Guage, etc.
Highlight Game Options hold R1 and press X. Here you can make the games have secret content. Examples: Sometimes when a character gets hit, blood appears. Blood appears in front of Juli or Juni in the end of their games (the part where they die). M. Bison's body rips apart piece by piece.
Highlight Controller Options hold L1 and press X. You can change the colors of the characters. You can change the color of their outfits and their skin. You can even make them look like they have no outfit on at all.
Play as Shin M. Bison (Street Fighter Alpha 3 Arrange)Added 11 Mar 2007, ID #25852
This is available only in Street Fighter Alpha 3 Arrange (hold select while highlighting Street Fighter Alpha 3 on the Game Select screen and press X or Start). Select M. Bison on the Character Select screen, highlight Classic Mode, hold select, press down (notice the highlighter has disappeared), and press X. This is known as Shadowloo Mode. This actually works for all characters. The fighting style will be X-ism. M. Bison will now have an even powerful Psycho Crusher and can use Scissors Kick Nightmare.