>>713314674I think I know what you're talking about. For me, water monster from Amnesia will never be surpassed, but it's effect wears off after you experienced it once.
Still, here's my top of spookiest moments from horror games:
First 3-4 hours of Fatal frame 3 (arrival at mansion and THAT cutscene at home), Fatal Frame 4 is almost close but not enough, still worth trying;
FEAR 2 scene at school;
Last sequence of "Devotion" game, same with Scorn;
Butcher's creek ending.
That's first comes to mind for what's really stuck in my head to this day, there can be something else, but i can't remember it now. Nevertheless, this games is much more better than any jumpscare bullshit.