Outer Wilds is a game about grief and coming to terms with the permanence of loss
I can’t come up with specific examples because it has been a long time since I played but the writings of the nomai all point to a people incapable of accepting that things are lost and the game encourages you to make peace with the fact that the fate of the universe can’t change, that before everything goes dark, at least we can make beautiful music. The twanging of the hearthian banjo echoes the impermanence of all things