Jikkyou Powerful Pro Yakyuu 2000 (Japan) (Rev 1) (実況パワフルプロ野球2000), released in 1999, is a baseball game developed and published by Konami for the Nintendo 64. It is the sixth installment in the Jikkyou Powerful Pro Yakyuu series, and the first title to be released for the Nintendo 64. The game features a variety of modes, including Exhibition, My League, and Home Run Derby. Exhibition mode allows players to play a single game against the computer or a friend. My League mode allows players to play a full season with their favorite team, as well as manage the team's roster. Home Run Derby mode allows players to compete against each other in a home run contest. The game also features a variety of teams, stadiums, and players, as well as commentary from famous Japanese baseball announcers. The game also features a variety of customizable options, such as the ability to adjust the difficulty level, the type of pitches thrown, and the speed of the game. Jikkyou Powerful Pro Yakyuu 2000 is a great baseball game for fans of the sport, and is a must-have for any Nintendo 64 owner.