Pro Yakyuu Simulation Dugout '99 is a baseball simulation game with data from more than 800 players. In the game the player is a manager of a japanese baseball team that can choose the tactics (players, pitching rotation, order pattern, etc), the lineup, trade players, etc. He can also check the team information watching statistics, newspapers, the farm, etc. The game features 2 different game modes: - Pennant Race: The Main mode the player can control all the different parts of the team (tactics, trade players, etc.) - Pre Season Game: In this mode the player can play a quick game againts a computer opponent or watch a match between computer controlled teams.