I played Underrail a while back but didn't get too far. I do want to go through it fully at some point. Is it worthwhile? I also heard the developer is working on an expansion pack of some sort.

Speaking of modern Fallout 1/2, this game just came out:

https://atomrpg.com/

I'm kind of waiting for the initial round of reviews / reactions before deciding on whether to give it a shot.