Free Windows games websites

Sometimes you just feel like playing a game. My Sharp Muramasa's graphics powers (Mobility Radeon) are not so great, although it should be able to cope with many of the older games I own. Once I have an external CD-ROM drive to load them on, that is.

I found some websites for downloading free (not warez I hope) games:

I'm certain that there are many others, but these will do for a start.