I may not have played the most games of anyone, but I am pretty picky and like games that go beyond being purely entertaining... some of these are free, while others you will have to pay for. These are a few of my favorites, from a variety of genres. If you're interested in reading what I think about videogames, you can read some of what I've written on my person journal:
http://mymil.livejournal.com/150195.html
http://mymil.livejournal.com/118568.html