For a limited time (Til mid Oct) Ubisoft is offering "The Crew" which is a need for speed like street racing game for free however you need to download their uplay store program to run the game.

Download link = https://club.ubisoft.com/en-US/ubi30

For more info

http://store.steampowered.com/app/241560/

https://store.ubi.com/us/the-crew/56c494ad88a7e300458b4d48.html#start=1
 
They are running a promotion for Ubisoft's 30th anniversary and will be giving away seven games. So check back to that download link "Come back to this page mid-October to discover the next game."