China is taking dramatic steps to prevent teenagers from becoming addicted to video games. In new rules published Monday by China’s National Press and Publication Administration (NPPA), which oversees the nation’s gaming market, teens under 18 will be limited to playing games three hours per week. It’s not just how much time can be spent gaming that will be limited. According to state run media, players can only play from 8 p.m. Until 9 p.m. on Fridays, Saturdays and Sundays. Play will also be allowed, but only for one hour, during public holidays.China had already restricted the amount of time...