China is already doing that and it's partially implemented that way. https://www.channelnewsasia.com/business/china-online-gaming-minors-regulation-curb-tencen

China is already doing that and it's partially implemented that way. https://www.channelnewsasia.com/business/china-online-gaming-minors-regulation-curb-tencent-2146916 https://www.channelnewsasia.com/business/china-online-gaming... https://www.channelnewsasia.com/asia/china-tencent-facial-recognition-late-night-child-gamers-1984771 https://www.channelnewsasia.com/asia/china-tencent-facial-re...