Sohee Kim, Bloomberg News The PlayerUnknown's Battlegrounds (PUBG) game is displayed on a Samsung Electronics Co. Galaxy S9 Plus smartphone in an arranged photograph in Hong Kong, China, on Sunday, March 24, 2019. PUBG is a Hunger Games-style competition where 100 players face off with machine guns and assault rifles until only one is left standing. After China's Tencent Holdings Ltd. introduced a mobile version of the death match that's free to play, it has become the most popular smartphone game in the world, with enthusiasts from the U.S. to Russia to Malaysia. , Bloomberg (Bloomberg) -- Krafton Inc., the company behind the hit mobile game PlayerUnknownâs Battlegrounds, filed to raise as much as 5.6 trillion won ($5 billion) in a South Korean initial public offering that is set to be the countryâs largest ever.