[ TIPS ] - Secret Teams Kick ball device in team selection screen with specified times. Namco Starts '80 : Kick 8 times Namco Starts '90 : Kick 9 times
Also you can fight with the above secret teams in single mode. When you get the medals with specified number (80's : 3 or 4 medals, 90's : 5 or more medals) then win the cup. See the scaned image from Arcade game magazine if you want to know how to get the medals.
DX type and SD type are confirmed and DX type has 50-inch projector. This game can link multi-cabinets and max 8 players joins in the same time. According to VGL published by AMP group, the year of this game is listed as '99(00.02)' so that printed year on the title screen will be different from real release. naomi.c says the manufacturer as "Capcom/Namco" but I can't find any info to confirm "Capcom" is developer/distributor about this game.
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"Any company has no power to stop people emulating"
MAME is the emulator of no giving in the pressure from any company even if they don't allow