Roblox, however, says it’s making private servers available for free in Party Place, so parents and kids can create a place where only those friends they directly invite can join and play.

Roblox is trying out a new feature called Party Place to allow groups to meet and host events. ... for example a birthday party or a school activity. "Whether it's a birthday bash, hangout time, ...

So Robby had a virtual birthday party in Roblox instead. The invitees logged into Google Hangouts first, where they chatted and sang “Happy Birthday.” ...