Try the Free war game in my signiture strip... Its the worlds biggest multiplayer and it is awesomely addictive!!
Explore the internet and you will see a lot of amazing pc games. It is just a matter of few clicks and pressing the keyboard keys. Good luck to you,pal!
Me usually check gamespot for game rating , pictures and reviews. and then just download the torrent and start downloading...... the best games i liked where prototype,gta4,dragon age etc...................
In my opinion you can not just say that "this one is the best pc game" it DEPENDS! I mean some people like sports games like football managerials or NBA series, other like strategy games like Red Alert and Civilization. I think the best thing to do before buying pc games is to read game reviews. But in this stage you have to be careful, you should not believe everything you see on the web. Here you can see an article about Learning How to Extract The Essentials Out Of PC Games Reviews
EA Games used to be really good but now I fear they have grown a bit sloppy. They are attempting to hide their fail with Battlefield Bad Company 2. And yes, google helps alot, lol
I use www.gamespot.com .. this will give you all hints and cheats and give links to cheap suppliers for the game.