Umamusume: Pretty Derby, a video game featuring anthropomorphized horse girls based on real-life racehorses, has become a surprising global hit since its English-language release in June. Developed by Tokyo-based Cygames, the game combines horse racing simulation with character training mechanics, where players nurture horse girls to compete in races inspired by actual Japan Racing Association tracks. The game’s unique premise, realistic 3D graphics, and live commentary have captivated players worldwide, sparking increased interest in real horse racing and the horses behind the characters.

The franchise has had a significant cultural and economic impact in Japan, generating over US$2.5 billion and dominating Cygames’ mobile game revenue. Its popularity has extended beyond gaming into manga and anime adaptations, as well as fostering closer ties with the horse racing community. The Japan Racing Association and racehorse owners have acknowledged the game’s positive influence, with official guidelines issued to manage fan visits to stables, highlighting the collaboration that allows the game to share authentic racehorse stories.