Derby Stallion 64 (Japan) (Beta) (デビュースタリオン64) is a horse racing game developed by ASCII Corporation and published by Nintendo for the Nintendo 64 in Japan. It was released on December 18, 1997. The game is the third in a series of Derby Stallion games, and the first to be released on a console. Players take on the role of a horse racing manager, and must manage the finances, training and racing of their horses. The game features a number of different race types, including flat races, hurdle races and steeplechase races. The game also features a variety of different horses to choose from, including thoroughbreds, quarter horses and draft horses. Players can also customize their horses with a variety of different accessories, such as saddles, bridles and horseshoes. The game also features a variety of different race tracks, including dirt, turf and sand tracks. Derby Stallion 64 (Japan) (Beta) is a fun and engaging horse racing game that is sure to appeal to fans of the genre.