All-Star Baseball '99 is a baseball simulation game for the Nintendo 64 released in 1998. It offers diverse gameplay modes, including exhibition games, a full season, the 1997 playoffs, and the All-Star game, along with a Home Run Derby and batting practice. Players control pitching, fielding, and batting while managing team lineups. The game features all 30 MLB teams from the 1998 season.
All-Star Baseball 99 is the first handheld entry in the All-Star Baseball series and differs from its N64 counterpart.
The game features six different modes: exhibition games, a full season (either all 162 games of the 1998 season or various shortened runs), the '97 playoffs, the '97 All-Star game as well as the Home Run Derby, and a batting practice mode. In season and playoff mode, progress is saved via passwords.
On the field, players will control pitching, fielding and batting (bunts and swings are possible). The game also allows players to set team lineups and positions.
The game includes all 30 MLB teams of the 1998 season, including the '98 expansion teams Arizona and Tampa Bay.