The digg.com entry says: A List of 100 legal full version games available to download online from all over the web. The list includes free indie games, free to play mmos, once commercial games that are now free to play, hobbyist games, and many more.

100 of the Best Legal Full Version Games You Can Download Online

I haven't seen this list myself since the site is currently dugg. But, try it in a few days or weeks after the site is unburied from the webhost's quotas.