At the title screen, press Up(2), Down(2), Left, Right, Left, Right, X, Circle,
Start to unlock the All-Star teams.
Jikkyou World Soccer 2000 Hints, Tips, Tricks, Secrets, & Glitches
Go to preferences at the main menu, and choose
Team Edit. Select the player you wish to copy and
press Square. A long password will appear. Write
the password down, and when you choose Create
Player in the preferences menu, choose password,
and enter the password.