Derby Stallion (ダービースタリオン, Dābī Sutarion) - also known in Japan by the portmanteau abbreviation DerbyStal (ダビスタ, DabiSuta) - is a series of genre-merging horse-racing and business simulation games originally created by ASCII.

[1] The ultimate goal of the player in the Derby Stallion games is to win the title of GI (Group I) Racer.

Multiplayer functions allow players to trade or complete sales between themselves, to set up breeders' agreements, and to race against opponents.

[2] Other methods of data exchange that have been developed include telephone satellite connections for players using DoCoMo phones.

[22] According to Weekly Famitsu, the 1997 Derby Stallion for the PlayStation was Japan's third-best-selling game of 1997, with sales of 1.58 million units.