Games are games, retirees play all kinds of shit including shooters. Its silly to assume they need to be marketed specifically to a certain group

I liked factory town; the trains need to stop and stations to unload and refuel, and they only go one direction. Its somewhat simplified but satisfying.

Celeste’s gameplay absolutely has narrative meaning as well. You are climbing the mountain of depression. Not the most subtle or complicated metaphor, but it’s there and it is effective.