- Play as Akuma
At the character selection screen in Arcade mode, highlight Guile, and press Up. At the character selection screen in Training or Versus mode, highlight E. Honda, and press Up.

- Fight against Akuma
Overcome all opponents before reaching M. Bison in less than twenty minutes without using any continues. When you fight M. Bison, Akuma will appear. Perform the Shun Goku Satsu on Bison, then fight your character.

- Classic character versions
Push [Jab] in Classic Arcade mode to select the current version of one of the following characters. Then, enter the corresponding code as the airplane flies to the top of the screen and press [Jab] again. If you entered the code correctly, you will hear a sound. The classic versions do not have super combos and cannot reduce throw damage.

Classic Guile	Push Up, Down(3).
Classic M. Bison	Push Down, Up(2), Down.
Classic Sagat	Push Up, Down(3), Up.
Classic Balrog	Push Right, Left(2), Right.
Classic Honda	Push Up(3), Down.
Classic Ryu	Push Right(3), Left.
Classic Vega	Push Left, Right(2), Left.
Classic Cammy	Push Up(2), Down(2).
Classic Dhalsim	Push Down, Up(3).
Classic Fei Long	Push Left(2), Right(2).
Classic Ken	Push Left(3), Right.
Classic Dee Jay	Push Down(2), Up(2).
Classic Chun-Li	Push Down(3), Up.
Classic T. Hawk	Push Right(2), Left(2).
Classic Blanka	Push Left, Right(3).
Classic Zangief	Push Left, Right(3).

To fight as Classic Akuma in Classic Arcade mode, highlight the following characters at the character selection screen for approximately three seconds before moving on to the next person: Ryu, T. Hawk, Guile, Cammy, then Ryu again. Then, press Begin + [LP] + [MP] + [HP]. In Classic Arcade Versus/Training mode, highlight the following at the character selection screen: Ryu, the random character box next to Guile, Guile, Sagat, then Ryu again. Then, press Begin + [LP] + [MP] + [HP].