The country's biggest video game publisher, Tencent, recently started using facial recognition software to verify player identities and limit playtime for those under the age of 18. Tencent's age verification process uses an official government database to confirm player identities with their photo and personal information. Players are under the age of 18 are limited to playing just two hours a day, while those under the age of 12 are limited to one hour a day. Tencent uses artificial intelligence and data collection to monitor player behavior, and the company claims it will eventually be able to detect when an underage user is playing using an adult's information.

https://www.businessinsider.in/kids-in-china-are-trying-every-trick-in-the-book-to-beat-the-facial-recognition-software-that-puts-a-mandatory-time-limit-on-popular-video-games/articleshow/67047839.cms