Derby Stallion 64 (Japan) (デビルスタリオン64) is a horse racing simulation game developed and published by ASCII Entertainment for the Nintendo 64 in 1998. The game is based on the Derby Stallion series of horse racing games, which originated on the Nintendo Family Computer in 1986. The game features a variety of game modes, including the main Derby Stallion mode, a career mode, and a multi-player mode. The game also features a variety of different horses, each with their own unique attributes and abilities. Players must manage their horses' training, nutrition, and health in order to ensure they are in peak condition for the races. The game also features a variety of tracks, each with its own unique terrain and obstacles. Derby Stallion 64 also features a variety of mini-games, such as a fishing game and a horse racing game. The game also includes a variety of customization options, allowing players to customize the appearance of their horses. Overall, Derby Stallion 64 is a unique and fun horse racing simulation game that is sure to please fans of the genre.