Abandonware
Abandonware.net : the ultimate gaming resource
http://www.abandonware.net
Squakenet
Download more than 6000 pc games. find out a pc game you liked in the past, watch the video, read the review and download it to play on your pc.
http://www.squakenet.com
Freeoldies
Freeoldies
http://www.freeoldies.com
Myabandonware
Database of 3700 abandonware dos games available for free download. collection of all old classic pc games, full version, 1980-1997 and free to play.
http://www.myabandonware.com
Grand Theft Auto 1 is now Freeware
Grand Theft Auto 1 is now Freeware
http://www.rockstargames.com/classics/
Run old adventures on XP or Linux
Run old adventures on XP or Linux
http://www.scummvm.org/