Chinese tech giant Tencent (NASDAQOTH: TCEHY) owns stakes in two of the hottest video games in the world: Epic Games' Fortnite and PUBG Corporation's self-titled PlayerUnknown's Battlegrounds (PUBG). Fortnite was the third-most-popular PC game in the U.S. in April, according to Newzoo, with 24.2% of gamers playing the sandbox survival game. PUBG, which popularized the battle royale genre, ranked fourth with a 13.5% share.However, PUBG, a subsidiary of South Korean publisher Bluehole, recently sued Epic Games in South Korea, alleging copyright infringement over Fortnite's new battle royale mode.