This is sweet. 90% of the time I go to play a game, I’m doing it through the Steam launcher, not through the Start Menu or even the Vista games folder (good idea, but still a bit clunky).
It turns out that you can add non-steam games (I just added EVE Online, C&C General, and Dawn of War - one of which technically I could have bought on Steam) to the games list. If you’re in your small games window and you click on the Games menu, you’ll see the option to “Add a non-Steam game to My Games list…”
And if you click on that, it brings up a self-populating list of what looks like every executable that Steam can find:

{ 5 comments… read them below or add one }
does it record the time you spent playing the game and show it in your steam profile? that would be neat… i have a bunch of games that i didnt buy on steam, but are available on steam now. would be great if my steam profile could display stats from those games as well
I honestly don’t know. I’d bet that the chances are slim…
ya, checked , it doesn’t seem to do it for non steam-installed games
Yes, Steam records the time you spent playing non steam games. It’s great! :-)
And more, Steam advise your Friends that you are playing one non Steam game, like Steam games. But in your profile Steam doesn’t list them despite records your playing time.