Too lazy to prod my desktop and have Steam tell me what I'm up to, but last time I checked, maybe in June, I was approaching 200 hours for AI War. Probably not quite there yet. It usually goes up a few hours a week from our weekly multiplayer game, with the occasional jump when I play by myself.
It's kind of funny looking at some of the other games people have high numbers of hours played for. I'm ~20-25 hours into ME2 right now and can't imagine playing it a second time after I finish, much less spending 192 hours on it. Collecting crew members and doing loyalty missions is starting to feel a bit tedious. Similarly, FFX was the game that finally killed the Final Fantasy series for me.
Also, my mudding laughs at your puny three and four digit playtimes:
Nalgas D. Lemur was created on Thu Oct 23 22:19:38 1997.
Played 57894 hours since creation
It's been running longer than that, and I started before then, but that's when everything was moved over to the current system, so that's what it thinks the file creation date is. Including all other characters, it's well over 60k hours total. Of course, that's over the span of more than a decade and a half, probably 90% of that is idling, and in the past seven years or so that rises to easily 99% or more. Heh.