These are some older games but free.
Command & Conquer Gold the original is free for download for it's 12th anniversay.
http://www.commandandconquer.com/int...id=61#NewsMain
Here's some Ubisoft games for free but with some ads.
Far Cry
http://www.fileplanet.com/180410/180...d-Supported%5D
Tom Clancy's Ghost Recon
http://www.fileplanet.com/180412/180...d-Supported%5D
Rayman Raving Rabbids
http://www.fileplanet.com/180428/180...aving-Rabbids-[Free-Game---Ad-Supported]
Prince of Persia - Sands of Time
http://www.fileplanet.com/180411/180...ime-Full-Game-[Free-Game---Ad-Supported]