Games with a dark atmosphere

dark souls 1-2 , Diablo 3, Skyrim ,Lord of the folen , maybe the Witcher 1

Cold Fear - 2005 ........

Max Payne 2

Thief

ObsCure, Deadly Premonition, Nosferatu, Dishonored, Vampire: The Masquerade - Bloodlines

bloodborn)

SGU of fear

Dying Light.

Cry of fear , condemned ( two parts)

Series Alan Wake

McGee Alice, dead space, Binding of Isaac, Resident evil 4, nothing more I remember.

Gothic

Hellblade: Senua''s Sacrifice

Watch_Dogs (part 1)

Dishonored 1 (2), Resident Evil 6, Zombi

SOMA, Bioshok, Observer, Dead Space

Railroad Tycoon

I Am Alive

Resident Evil Remake is the same. Original too, in their grim but a remake of this plan just top.
Half-Life 1 and 2 pretty dark, especially when you realize the full tryndets that is going on there. The old story of HL2 until 2002, the year in General horror.

Madevi
Oh yeah ;)