CheatCodes.com has all the official Winning Eleven '98 - '99 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 Wednesday May 22, 2013 for Winning Eleven '98 - '99 are shown below.
At the mode selection screen, highlight the "Exhibition" option and press Up(2), Down(2), Left, Right, Left, Right, X, Circle. If you entered the code correctly, you will hear the sound of clapping. Then at the team selection screen, press L2.
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