Free demo of Styx: Shards of Darkness now available on steam. This is a nice stealth game with pretty graphics and interesting gameplay.
 
Demo includes tutorial missions. If you purchase the base game after, you can continue from where you stopped.
 
http://store.steampowered.com/app/355790/Styx_Shards_of_Darkness/
 

http://www.gamingsite.cz/wp-content/uploads/2016/05/maxresdefeeeeault-672x372.jpg
 
HITMAN intro will be available for free on PC, PS4 and Xbox One. 
 
Free version includes two story missions (including all cut-scenes), two Escalation Contracts, more than 40 challenges, 17 achievements and trophies, plus thousands of player-created missions in Contracts Mode.
 
Game will be free to download in few hours - http://store.steampowered.com/app/236870/HITMAN/

Try Mass Effect Andromeda for free during 10 hours of gameplay. Trial is now available on Origin, Xbox One and PS4.
 
Offer ends November 1, 2017.
 
Play it now: https://www.masseffect.com/trial

http://www.playulti.com/static/thumb/2017/8/9/attach-1504940015452.jpg
 
The Evil Within 2 demo is now available on steam. If you're not sure of purchase or just want to see how it runs, there is a chance for you to try it out before buying.
 
System requirements (minimum)
 
OS: Windows 7/8.1/10 (64-bit versions)Processor: Intel Core i5-2400 / AMD FX-8320 or betterMemory: 8 GB RAMGraphics: NVIDIA GTX 660 2GB / AMD HD 7970 3GB or betterStorage: 29 GB available space Store page - http://store.steampowered.com/app/601430/The_Evil_Within_2/ Dive into intense and terrifying story with The Evil Within 2 - one of the most expected recent releases.