Go play some Demos.
solitaire?
lol, elimin8or suggested soldat. i played a couple times. its like a worms world party, but a lot faster paced
you can get some of the old command and conquer games for free from their website
if your into mmo's there are tons out there that are free
played most games you guys suggested i own gta and gta 2. hl2 played and played gmod
If you are interested, you can watch this video tutorial on how to get GTA San Andreas Free: http://1720d207.linkbucks.com. Otherwise, i suggest getting a console, E.G XboX 360