I've wondered the same thing! In particular, the highly polished and powerful interfaces of some roguelikes (DCSS comes to mind) strongly remind me of Emacs. It

I've wondered the same thing! In particular, the highly polished and powerful interfaces of some roguelikes (DCSS comes to mind) strongly remind me of Emacs. It seems like the scriptability and power of Emacs interfaces is a natural fit for roguelikes.