There's also the interesting looking One Hour One Life that I haven't had a chance to play yet. It will be cool if it gains enough traction to really see mass progression due to how the mechanics work.
OHOL is fantastic and is, at heart, about parenting, aging, and death.
I'm a big Rohrer fan and death seems like a recurring theme throughout his games:
-Passage: where you pass through an entire life in 5 minutes
-The Castle Doctrine: a permadeath home defense MMO where you set death traps and try, often impotently, to defend your small family. When you fail to defend them, you'll get to watch the security tapes in detail and come home to their mutilated corpses.
The reviews are hysterical.
https://store.steampowered.com/app/595690/One_Hour_One_Life/