Remember 3DML/Flatland Rover? I used to play with it constantly as a kid - it was a much simpler, block-based version of VRML. Similar in some ways to Minecraft

Remember 3DML/Flatland Rover? I used to play with it constantly as a kid - it was a much simpler, block-based version of VRML. Similar in some ways to Minecraft, even, but more programming-oriented. WebGL being where it is today, I bet something like 3DML could come back in a big way.