No, it's not quite like that Minecraft thing. Roblox is a free to play online game—a "metaverse," in concept—where users can create their own mini-games using simple tools and Lua scripting.

How do you make games in Roblox? Firstly you'll need to download and install Roblox Studio, a free piece of software that is used to create all Roblox games.

One of the world’s biggest gaming community platforms, Roblox, now lets its users communicate with each other via voice chat. Here’s how! Before finding out how to call people on Roblox using ...

You can also restrict in-game or experience chats. Unfortunately, this is a little cruder, in that you can only chat with everyone or no one; there is no option to set it to friends only.