Super Street Fighter 2 Turbo
Get a free .com domain name or cash for freeafter you complete several offers by email.   Super speedPlay as AkumaGet the eighth color for each characterPowered version of each character
Super speedSent in by ShadowWait for the logo to appear with the black background, and pressR, Up, L, Y, and B on Controller 2 for super speed (up to 10 stars).
Play as AkumaSent in by Dwier G. Sadeus.To play as Akuma, hold cursor on Ryu, T.Hawk, Guile, Cammy, and Ryu for 3 seconds each, then press all 3 "punch" buttons &"Start".  
Get the eighth color for each characterSent in by Dwier G. Sadeus.To get the eighth color for each character, press and hold "Start" or an attack button untill the uniform changes color. 
Powered version of each characterSent in by Dwier G. Sadeus.To have a powered version of each character, you must follow these separate character codes: rapidly press "jab", L, R, for Ryu, Ken, Fei Long, Vega, T.Hawk, Zangief, Blanka, and (I believe) Akuma.Rapidly press "jap", Up, Down, untill the plane flies next to the battle and Round for M.Bison, Sagat, Dhalsim, Chun-Li, Cammy, E.Honda, Dee Jay, and Guile.