Jikkyou World Soccer 2000 – Playstation 2

Jikkyou World Soccer 2000 - Platform: Playstation 2
 
Hidden teams
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Press Up(2), Down(2), Left, Right, Left, Right, X, Circle, 
Start to unlock the All-Star teams. 

All-Star Teams
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At the Title screen, press Up, Up, Down, Down, Left, Right, 
Left, Right, X, Circle, Start.