CheatCodes.com has all the official King Of Fighters '97 PSX cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Tuesday May 21, 2013 for King Of Fighters '97 are shown below.
At the character selection screen, repeatedly press L1 + R1 in any game mode. Now Orochi Iori, Orochi Leonna, Orochi Chris, Orochi Yashiro, and Orochi Shermie will be selectable next to Shingo.
First, enable the "Play Orochi characters" code. Then, select versus or practice mode. Now at the character selection screen repeatedly press L2 + R2.
At the character selection screen, highlight Kyo and press Start + Circle. You will now play as the 1994 version of Kyo.
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