I've recently had Steam suggesting to me that I should play Half-Life 2 because it's an unplayed game in my library. That was my first game on Steam right when it released 20 years ago, and I've most ...

I'm curious now, but I think work wouldn't appreciate me whipping out my Steam Deck "just to check my library". But I'd guess I'm in the 30-40% unplayed range, even ignoring stuff just so old Steam ...