Here's a primitive ASCII graphics version of something similar from a while back... http://moxielogic.org/blog/nethack-in-your-browser.html http://moxielogic.o

Here's a primitive ASCII graphics version of something similar from a while back... http://moxielogic.org/blog/nethack-in-your-browser.html http://moxielogic.org/blog/nethack-in-your-browser.html The NetHack C code was cross built to moxie-rtems, which was run in a moxie simulator that was cross built to JS with emscripten.