(Bryon Houlgrave | The Des Moines Register file photo via AP) In this Sept. 11, 2018 file photo, Nick Overton, a professional video game player, plays "Fortnite" while engaging with his fans online from the game room at his home, in Grimes, Iowa. "Fortnite," a free-to-play game that has become a massive hit with its “battle royal” mode winning over millions of fans.