Dolder :
So, I recently started to get into horror games. But, I can't seem to find any good ones that are out yet. I don't want any jump scare $h!t. I want something that will make me paranoid. Something that will make me scared to leave the safe haven of a locker or under a bed. I already know about Amnesia, Outlast, and the game that shall not be named (Hint: It rhymes with five nights at furries). So, go crazy.
Here are some games that have some seriously pant-crapping moments, I think the kind you're looking for:
Alan Wake, also the sequel: A.W.' s American Nightmare
DreadOut
Dead Space (the first one)
The Vanishing of Ethan Carter (maybe not pant-crapping, but lot's of tension)
Thief: Deadly Shadows (the haunted asylum is IMHO a contender for the scariest game level in history!)
If you don't mind FPS games, F.E.A.R. (the first one) and System Shock 2 are worth a look.
Since you like Amnesia, you should check out the Penumbra series too, and also SOMA.