-I can't remember if it was The IGN Games e-newsletter, Gamespot e-newsletter, or both that I was subscribed to where they had a free game download each month. You read that right, Gamespot, not Gamestop.
-Return to Castle Wolfenstein Enemy Territory is now freeware on the internet.
-Fileplanet.com, fileshack, download.com, and http://www.3drealms.com/downloads.html have free game downloads. Some games have to be emulated with http://www.dosbox.com/ , http://scummvm.org/ , or another emulator from http://www.zophar.net/pc.html.
-This will be the thread where you can post promotions for absolutely free games! No illegal copy-protected games, please.