There's no shortage of expansive open-world games and PvP arena shooters on Steam that have no regard for your time, or narrative games with exorbitantly long, winding stories that take forever to get to the point. There's something to be said for a short, punchy story that respects your time. Here are some free casual games that get to the point fast. https://www.notebookcheck.net/3-short-and-sweet-free-casual-games-on-Steam-that-are-criminally-underrated.702749.0.html
Please do more articles like this one, it was a breath of fresh air for gaming media and very pleasant. Also very good choices for short games/demos.