perhaps none more so than an oddball create-your-own game sandbox called Roblox. If you’re a tween, there’s a very good chance you’re playing Roblox. About 75% of American children ages 9 ...

Jacob Girdler joined Roblox on a whim more than a decade ago when he was 9 years old. The entrepreneurial teen, who largely works alone, has now designed over 300 games ... Memo An icon in the ...