Several websites are holding sales on horror games right now such as Resident Evil Revelations, Alone in the dark, and Left 4 Dead. This list will link to these games for you based on site. All prices are listed in USD. Enjoy!
GREEN MAN GAMING: (unknown end date) (DRM: STEAM)
GOG: (Ends June 1st, 2016) (DRM: DRM FREE!)
STEAM: (end dates vary) (DRM: Steam)
PLAYSTATION NETWORK (end dates vary) (DRM: PSN)
Evolve – $29.99 (PS4)
XBOX LIVE (end dates vary) (DRM: XBL)
The Evil Within – $24.00 (360)
Dead Island – $3.00 (360)
Dead Rising 2 – $12.00 (360)
Hmmm… kinda sad that there are no deals on Silent Hill, but I guess that is how it goes!