J-League Jikkyou Winning Eleven 2000 Codes -

All-Stars team:
Win the Konami Cup to unlock the All-Stars team in exhibition mode.

Masters Cup competition:
Win the J-League under full or half season mode:

World and Japan Dream teams:
Win the Yamazaki Nabisco Cup under any difficulty setting.

Bonus teams:
Win the Masters Cup under any difficulty setting. Man Utd, Arsenal, AC Milan, Juventus, AS Roma, Barcelona, and Vasco da Gama will appear on the team selection screen. This also unlocks an option in edit mode that allows the players on those teams to be renamed.