“You use Steam every day, but how well do you really know it? Our latest quiz tests you on everything from long-lost features to surprise free game releases to the most expensive thing ever sold on the storefront”

https://www.pcgamer.com/games/you-use-steam-every-day-but-how-well-do-you-really-know-it-our-latest-quiz-tests-you-on-everything-from-long-lost-features-to-surprise-free-game-releases-to-the-most-expensive-thing-ever-sold-on-the-storefront/