When was Wonder Stadium '99 released?

Wonder Stadium '99 was released on October 30, 1999.

What platforms is Wonder Stadium '99 available on?

Wonder Stadium '99 is available on WonderSwan.

Who developed Wonder Stadium '99?

Wonder Stadium '99 was developed by Namco.

Wonder Stadium '99

About

Released a mere five months after the original Wonder Stadium, Wonder Stadium '99 does not add much in the way of gameplay. This update adds information about the 1999 Japanese baseball season to the game. The game gives you a selection of 14 fictional and professional teams as well as three different stadiums, just as the original did.