David Baszucki, the founder of Roblox, better known as his avatar, Builderman, has recently entered the billionaires club after the continued success of the game.

Video game maker Roblox said on Monday that it is implementing new safety measures for users under 13, including permanently removing the ability to message others outside games on its platform.

Roblox’s ‘Builderman’ CEO Heads to Wall Street With an Army of Young Game Creators The company runs a free social platform with videogames made by its own players. Its stock-market debut ...