https://www.humblebundle.com/store/f1-2015
http://ad.gamersky.info/@store.steampowered.com/app/286570/F1_2015/

https://www.gog.com/game/dungeons_2
To celebrate the Chinese New Year, GOG is temporarily giving away a free permanent copy of Dungeons 2! And as always it's DRM-Free! You only have 48 left so download this game for free NOW!
http://ad.gamersky.info/@store.steampowered.com/app/262280/Dungeons_2/

Origin is temporarily giving away the amazing game Dead Space for FREE! On the house for a limited time only! So download this game on your PC now before its too late!
https://www.origin.com/irl/en-us/store/dead-space/dead-space/standard-edition

https://www.makewarnotlove.com/
Instructions:

1. Sign up with your steam account on their website.

2. Confirm your email address.

3. Games should be in your Steam account over the next 24hrs.

4. The game installs as Sega Mega Drive And Genesis classics and each of the 2 games is a DLC.

You just need to have Windows 10 to grab the game! This is a limited time offer so download the game now!
https://www.microsoft.com/en-us/store/p/demon-hunter-2-new-chapter-full/9nblggh4v48t?ranMID=24542&ranEAID=s1JLRH9cq5o&ranSiteID=s1JLRH9cq5o-P02cXUgx6NvQeDqndvtVIw&tduid=(ac9f7d3e47caf7b90dcd8c79a5d668d2)(256380)(2459594)(s1JLRH9cq5o-P02cXUgx6NvQeDqndvtVIw)()
http://ad.gamersky.info/@store.steampowered.com/app/465720/Demon_Hunter_2_New_Chapter/