For example, the complaint says $4.99 will buy a user 400 Robux, which can be spent in the Avatar Shop where developers offer their merchandise for sale. Roblox takes a 30% cut, according to the suit.

A class-action lawsuit was filed by Michigan dad John Dennis and his daughter, known anonymously as Jane Doe, on May 25. It alleged that the Roblox gaming platform is providing "sham content ...