Yeah that looks like it is very old, but there should still be Jopa and the first bit up to Golgotha, so you can get a feel for it before purchasing the full version. CoQ just won a Hugo Award, if you hadn't heard about that here's a link:

https://www.pcgamer.com/games/rpg/the-deeply-simulated-roguelike-strangeness-of-caves-of-qud-won-this-years-hugo-award-for-best-game-or-interactive-work/