What are your favorite games that you never see mentioned anywhere?

Dungeon Crawl Stone Soup

I have been playing this game my entire life on/off, and have the most hours in, but I have never beaten it. I came close 1 fucking time, and I will forever remember the one dumb mistake I made that lost it for me just on the cusp of victory.

One day...

https://crawl.develz.org/