It's not just about physical.
It's about standing up for gamers actually owning their game copies, as well as game preservation.
And until there are laws passed to protect such things, the one pushing hardest for a digital-only market is the enemy.

That's Matthew (Matt) Mercer. Dungeon Master of the Critical Role D&D campaign franchise.

To answer your first question, Dust: An Elysian Tail. It is well beloved indi game that comes highly recommended by most who played, myself included.

To answer your second question, I forgot to hit send.