To play as Akuma, defeat all fighters leading up to M. Bison without continuing in under 20 minutes. When you battle Bison, Akuma will appear. After Akuma appears, highlight Guile on the Arcade Mode's character select screen and press "Up" to select Akuma. To select Akuma in Vs. Mode you must choose E. Honda and press "Up" to select Akuma. To select Akuma in Classic Mode or Training Mode Classic, highlight Ryu and simultaneously press LP+MP+HP+Start.