Players can customize their own worlds on the platform. Many illegally upload songs — called “bypassing audio” — and some make intense tracks in a new genre, robloxcore.

Players using the Roblox game creation system will soon have to pay to add the popular 'oof' death sound effect into their games.

Now we can offer ROBLOX builders an easy way to leverage that movement and reach a new audience." So what is this thing and why does it sound like a cross between Transformers and Legos?