There's a MMO (Massively Multiplayer Online game) in China called Happy Farms that is alleged to be, as those panicked by such things often claim, "destroying relationships." On the surface, as the name suggests, it's about farming.
Happy Farms is so popular that enrollments are limited.
The limit is 2 million new signups.
Related, in that it's about the same country: Why is Pizza Hut thriving in China while Dominos has failed? Intro paragraph includes the sentence: "Early in our stay in Shanghai, my wife and I tried to stop in to the Pizza Hut just north of People's Square -- and were turned away, by a head waiter whose face was barely visible beneath his gigantic sombrero."