Adidas Power Soccer '98 Cheats

Cheat Mode:
Hold L1 + L2 R1 + R2 at the main menu to display the cheat entry screen. Then activate one of the following cheats -

Big Heads:
Press Square, Circle, Circle, X, Triangle, X, Square, Circle.

Hidden Teams:
Press X, Triangle, X, Square, Circle, Square, X, Triangle. A new flag will appear at the right of the Netherlands.

View Credits:
Press Circle, Square, Triangle, Circle, X, Triangle, Triangle, Square.

Bonus Stadium:
Press Square, Circle, Square, Triangle, Triangle, Circle, X, X to enable 'The Difference' stadium.

Win Match:
Press X, Triangle, Triangle, Circle, X, Square, Circle, Triangle. Then, pause to win the match of your choice.