Roblox is a massively multiplayer online game for users age 13 and up. It has over 60 million monthly active users as of early 2019. Roblox is free to play, with a Robux virtual currency that can be earned by playing games or through transactions that are executed within the Roblox environment, such as viewing advertisements and purchasing virtual items.

  Roblox is a massively multiplayer online game for users age 13 and up. It has over 60 million monthly active users as of early 2019. Roblox is free to play, with a Robux virtual currency that can be earned by playing games or through transactions that are executed within the Roblox environment, such as viewing advertisements and purchasing virtual items.