The unpredictability of when the creatures with the eyes will appear. You could be exploring calmly one moment and then suddenly, there they are. Also, the fact that the environment is so dark and foreboding, it makes every corner a potential hiding place for danger.
The sudden appearances of the ghost are really scary. You could be just looking for an item in a room, and suddenly, the ghost is there. It's unpredictable.
Again, not knowing the exact 'erie horror game story', but usually in horror games, the jump scares are really scary. When something suddenly appears out of nowhere, it gives a huge fright. Maybe in this story, if there are sudden appearances of ghosts or monsters that would be very scary.
The sudden change of music to something really creepy is quite scary.
The scariest elements in 'the eyes horror game story' might include the sense of being constantly observed. The eyes could be everywhere, creating a feeling of paranoia. Additionally, if the game uses sound effectively, like the sound of something moving when the eyes are near, it adds to the horror. And if the environment around the eyes is really dark and full of mystery, it makes the whole experience more terrifying as you can't fully see what's coming.
One of the scariest aspects is the mystery around him. We don't really know what he wants or why he haunts. Also, his silent approach, like he can be right next to you without you knowing, is terrifying.
The most terrifying part is when she suddenly appears. Just the sight of her eyeless face can send shivers down one's spine.
The sudden appearance of ghosts is one of the scariest parts. For instance, when you turn a corner in a seemingly empty corridor and a ghastly figure just pops up right in front of you.
In an Emily horror story, the moment when Emily realizes she's completely alone and there's no one to help her can be really terrifying. Like when she was in the forest camping and all she had was her tent against whatever was out there with the glowing eyes. She knew she couldn't just run to safety easily.
As I don't know the story, I can't say for sure. But in horror stories, sudden and unexpected events are often the scariest. Maybe in 'the call horror story', it's a really creepy voice on the call that suddenly says something terrifying.
The scariest part is the doll moving on its own. It defies all logic and gives a sense of something truly unnatural.