1916 is pretty good, I like the ambience of it but it is possible to complete in 5 minutes, the SCP games... fuck.Also, The Corridor -http://indiegames.com/2012/08/indie_horror_beta_the_corridor.html
Irisu syndrome, it's a free puzzle game and later it becomes super fucked up. I think there's a thread about it.
I don't think Irisu Syndrome uses horror to scare you.
I know that but it's just plain creepy and it's story becomes fucked up.
Little girl does murder, not exactly Cry of Fear level fucked up ey'?
No, You haven't seen Metsu mode. It explains the backstory and has some pretty fucked up stuff.
You should find out more.Hint: It involves bunnies and fucked up boyfriends.