The popular Netflix series is, however, unavailable in China. The South Korean survival drama “Squid Game” has gained popularity globally, even in places where the series isn’t officially available. In China, the dystopian series based on a children’s game has become one of the most talked-about topics on social media sites over the past week. A hashtag including the show’s name had been viewed over 1.8 billion times on microblogging platform Weibo as of Thursday afternoon. In the nine episodes streaming on Netflix, 456 people are pitted against each other to play several games for a chance to win more...