GTA

[Bloodhybrid]

absolutly free from rockstar, the origional Grand Theft Auto, but now Online
get it from http://www.rockstargames.com/classics/gta.htm

[Shuurai]

Do you mean online free download or playable online?

[Raven]

It's a free download, the complete original game. And it's old news, been out for months if not nearly a year.