Darkness stirs on the rim. Survive flesh infestations, cultist attacks, shambling undead, blood rains, invisible hunters, and other sanity-shredding perils. Capture and study entities to harness the power of the void. Conduct psychic rituals and awaken an evil machine god.
Gnomoria had that depth. I wish Gnomoria hadn’t been abandoned. (No shade to the devs, I loved it.) It was right in between RW and DF and it was just right for me.