Ethan Dallas, 15, had been playing Roblox since he was seven, and met a 37-year-old man pretending to be a child though the game.

“Right now, about 2.5% of the video game market is flowing through ‘Roblox,’” Baszucki said. “For people out there that don't know about ‘Roblox,’ it's a place where all of the games on the platform ...