https://news.ycombinator.com/item?id=19309378 - A random dungeon generator in C, small enough to fit on a business card (2019) - 42 comments https://news.ycombinator.com/item?id=19290215 - original post referenced above - 23 comments
A random dungeon generator that fits on a business card - https://news.ycombinator.com/item?id=19290215 - March 2019 (64 comments)