I don’t know about heavy hitters, but I just noticed a couple days ago that someone has been regularly posting on [email protected] the links to the weekly videos that StayAtHomeDev posts highlighting 5 new Godot games at a time. Here’s the YouTube channel if you want to go directly to the source: https://www.youtube.com/@stayathomedev
Some of the games look great.
It doesn’t have much of a pre-defined story to it, but I would say Project Zomboid is pretty moody and has a lot of gameplay depth.