IMSCARED is an indie horror game created by a one-man dev team. And it manages to creep you out using simple programming code.
Nanashi no Game is what you get when you add survival horror elements to an 8-bit game. Alas, ’tis another unique specimen from Japan.
The Darkness is a game based on a comic book about a demon-possessed hitman trying to maintain his old life. But he can’t have nice things.
From the depths of the PlayStation dump is a game called Hellnight, a horror game by Atlus about an underground Tokyo society and a mutant.