Fortinte has eclipsed the previously reigning PlayerUnknown's Battlegrounds, and now PUBG believes that success has come at the expense of their copyrights. So here comes the lawsuit!
While "PUBG" popularized the current battle royale genre first, it now finds itself in "Fortnite's" considerably larger shadow. "PUBG" has reportedly sold over 30 million copies since launch, but its player base on PC is dropping, according to IGN. Meanwhile, "Fortnite" is currently the largest free-to-play console game of all time, and it's dominating PC and mobile as well. It made five times "PUBG Mobile's" first week revenue on iOS, according to market intelligence firm Sensor Tower. It's also currently the most-watched game on Twitch and YouTube.
Even PUBG power player and Twitch star Dr DisRespect acknowledges the Fortnite Effect: