As a father of two Roblox players, I’ve already stated my point here 
PS1: “I haven’t checked recently” because they are growing up and changing games, but I’m fairly certain of that status.
PS2: Without looking for any controversy, “Roblox” is a word that a search will definitely work with: if it appears in a topic, it is most likely being talked about.
So a quick search first was in order…