Aesthetically, this is so awesome I kept my mouth open for a while. I have no comments except for this smiley:
Well, actually, I had a kind of idea for the ASCII art that you might or might not find interesting or relevant or useful, but here goes: I checked some screenshots for the different font sizes, and my browser scaled down the two biggest ones to the same size (in order to fit the window), and I liked how the biggest one looked after the scaling down. I assume the game is rendered as actual ASCII text with color (sorry, haven't spent much time reading up about the game yet). My idea was, what would it look like if rendered off-screen with a huge font size, then scaled down to get pretty anti-aliasing to show to the user? I don't even know if that's possible, since I don't know if you made the font yourself so maybe higher res is impossible. Again, sorry for maybe missing something that has already been explained somewhere.
So yeah, I'll be following this