http://www.p30gamerz.ir/image/userfiles/1508867468_500_1000.jpg
 
Endless Space 2 and Tom Clancy's Rainbow Six Siege (yes, again) are on free weekend. You can play them for free 3 days
 
Botth games are also on discount
 
http://store.steampowered.com/app/392110/Endless_Space_2/
 
http://store.steampowered.com/app/359550/Tom_Clancys_Rainbow_Six_Siege/

http://cdn.edgecast.steamstatic.com/steam/apps/304390/header.jpghttp://cdn.edgecast.steamstatic.com/steam/apps/206420/header.jpg
 
Play both games for free during 3 days. They're also on sale now
 
For Honor
 
Saints Row IV

http://g2.nh.ee/images/pix/7dc325825cdafcac9a-76240955.jpg
 
Blitzkrieg 3: entire content of standart edition is available. Offer ends on Sunday 23/07.
 
http://store.steampowered.com/app/235380/Blitzkrieg_3/
 
DOOM: 2 campaign missions and whole multiplayer content including DLC is available. Offer ends on Sunday 23/07.
 
http://store.steampowered.com/app/379720/DOOM/
 
Titanfall 2: training gauntlet, the single player mission and full access to multiplayer will be available on Origin. Offer will start on 28/07 and end on 30/07.
 
https://www.lootxp.com/giveaway/free-titanfall-2-trial-origin/

This banner appeared on Steam's main page today:
 
http://i.imgur.com/TKTeV3m.png
 
Apparently, The Elder Scrolls Online: Tamriel Unlimited is going to be free to play this weekend. For now, there is no update on the store page, but it should be added soon.
 
http://store.steampowered.com/app/306130/The_Elder_Scrolls_Online_Tamriel_Unlimited/

Beginning at 1pm Eastern / 6pm GMT on December 15 through 1pm Eastern / 6pm GMT December 20, you can download and play all three of Infinite Warfare's modes: campaign, multiplayer, and zombies.
 
more details:- http://www.gamesradar.com/call-of-duty-infinite-warfare-is-free-this-weekend-play-the-campaign-multiplayer-and-zombies-for-5-days/