So perfectly fine in the common case where people give keys away for free.

Like this one.

THE LONG DARK is a thoughtful, exploration-survival experience that challenges solo players to think for themselves as they explore an expansive frozen wilderness in the aftermath of a geomagnetic disaster. There are no zombies -- only you, the cold, and all the threats Mother Nature can muster.

Pee See Pee Aych En - Nine Why Ay Eee Double You - Vee Eight Pee Em Vee

Please don't take it unless you actually want to play it.