Play as Original Zangief:-  

At the "Player Select" screen, move the cursor over Zangief and press and hold the Start button. With the Start button still held, move the cursor over these fighters in the following order: Sagat, Sodom, Rose, Birdie, Charlie, Dhalsim, Ryu, Adon, Chun Li, Guy, Ken, Zangief. Then press any button. When the match starts, you'll play Zangief with his original moves.

Play as Original Dhalsim:-

At the "Player Select" screen, move the cursor over Dhalsim and press and hold the Start button. With the Start button still held, move the cursor over these fighters in the following order: Zangief, Sagat, Charlie, Dhalsim. Then press any button. When the match starts, you'll play as Dhalsim with his original moves.

Play as Evil Ryu:-

At the "Player Select" screen, move the cursor over Ryu and press and hold the Start button. With the Start button still held, move the cursor over these fighters in the following order: Adon, Akuma, Adon, Ryu. Then press any button. When the match starts, you'll play as a much deadlier version of Ryu.

Play as Powerful Akuma:-

At the "Player Select" screen, move the cursor over Akuma and press and hold the Start button. With the Start button still held, move the over these fighters in the following order: Adon, Gen, Sakura, Rose, Sodom, Dan, Guy, Rolento, Sakura, Rose, Birdie, Akuma. Then press any button. When the match starts, you play as a deadlier version of Akuma.

Chun-Li's Other Outfit:-

To get Chun-Li's outfit as she wore in Super Street Fighter Turbo, start a one player game. At the character select screen, press and hold Start. Move the cursor over Chun-Li and keep it there for five seconds. With Start still held, press any button. The only other difference besides her attire is Chun-Li's fireball is now performed by charging back for two seconds, then pressing forward and any punch.