And though Roblox has some safety precautions in place, it remains a target for people with less-than-good intentions. Such an open approach can pose some risks to kids, especially younger ones. Users of any age can create and join groups, chat, and interact with others. And they'll probably want to subscribe to Roblox Premium, which provides additional features for a fee.

If your kids want to fully explore the game or customize their in-game selves (avatars), they'll have to buy Robux, the in-game currency.

Some of the most popular games include Adopt Me!, MeepCity, and Work at a Pizza Place.

You can choose from a continually evolving supply of creative and fun challenges in various categories, from murder mysteries to sports to fighting games. Once you sign up, you can play an infinite number of games and chat with other users-all for free. Roblox is an online gaming platform where you can play games designed by other users and create and share your own games. Are sexual predators a big problem on Roblox? What is Roblox?

Roblox sign ups