Here are some cheats and tips for the game King of Fighters ’97.
Play as KOF ’94 style Kyo Kusanagi:
Highlight Kyo, hold START, then press any button.
Play as Orochi Iori:
At the Character Select screen, highlight Iori then hold START and
press Left, Right, Left, Right, Left, Right, Left, Right, Left,
Right, A + C.
Play as Orochi Leona:
At the Character Select screen, highlight Leona then hold START and
press Up, Down, Up, Down, Up, Down, Up, Down, Up, Down, B + D.
Play as Orochi New Team:
Enter the Orochi Leona code, then return to the character section
screen, hold START and press Up, Left, Down, Right, Up, Down, B + C.