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.

As one of the frontrunners in the race to build the metaverse, Roblox is thinking ahead to what virtual worlds really need. To that end, Roblox is taking careful but decisive steps toward weaving ...