In the United States, there are 212.6 million physically active persons older than six years (eFigure A), including 36 million youths and 7.8 million high school sports participants at approximately 36,000 secondary schools.1-4 Although physical activity clearly improves health outcomes, it also carries inherent risks, including injury, illness, and, rarely, death. Although a small percentage o...

Sport games are among the oldest and best established genres of computer games. Sport-inspired environments, such as RoboCup, have been used for AI benchmarking years. We argue that, in spite rise increasingly more sophisticated game genres, team sport will remain an important testbed due to two primary factors. First, there several genre-specific challenges systems that neither present nor emp...