While assembling the list, I went to MobyGames and listed Windows games by MobyRank, only to find Cave Story beating out all the Half-Life games, all the Grand Theft Auto games, everything. I read about the game, supposedly an indy side-scroller that's special, so I tried it. Maybe its special, but nothing about its physics or culture seems like something I can relate to. In any case, its a twitch game, and not something I can really play. I read the wiki page, and its surprisingly complex.
I also read this game inspired Braid, which I tried briefly, and found visually and musically impressive. Unfortunately I saw some spoilers, but that story seems really compelling. If I have to try and play a twitch game, I'd rather try that.
I want something to play now. Something with loud action, easy to get into, and known good. Left 4 Dead is on sale for $4.99, that should work. Having some trouble setting up graphics, kind of spoiled by auto-config. Everything feels slow and chunky, hopefully I get used to it. Finally figured out how to get 1920x1200, screen is blank.