I enjoy Dungeon Crawl Stone Soup played in the terminal with ASCII graphics. I wonder whether there are other hidden gems out there which don't get attention because they are "ugly"?
I loved this at first but then the complexity of the various mechanics seemed to take a sharp rocket ship upwards through the roof. I got kind of lost and then tried to read the wiki guide and it was like a book, so that was that. I really wanted to like it though! Maybe I should give it another go.