Promethean - A procedural dungeon generator in C#

I’ve gotten a first version of a procedural dungeon generator written in C#. I aim for this to be compatible with the Unity but at the moment it looks like Unity isn’t a fan of a List of Lists. You can see the code on Github and view some generated floor maps in the browser here(not longer hosted). The browser rendererjust renders a bunch of coloured tiles on a canvas.