* From the dog with the split open head, to the mist that obscures everything more than a few feet away, knowing full well that something is lurking just out of view...that damn hissing... the radio warning you that you're about to be attacked, that a monster is just waiting to rip you apart...
* The air-raid siren when warping into [[DarkWorld the otherworld]].
** Somehow manages to double as the MostWonderfulSound, as it also heralds the return of the less frightening foggy world.
* When traversing the streets from the hospital to the antique shop, the "music" consists of a high-pitched buzzing/squealing noise, thought by some to be the radio signaling the intensifying evil presence. And of course, you end up in the DarkWorld again shortly after. A similar but even more earsplittingly scary music is used during the FinalBoss battle.
* Simultaneously this trope and TearJerker is Lisa's classic line [[spoiler:"I'm the same as them", followed by blood gushing from an unseen wound in her head as she slowly staggers towards Harry.]]
** Even worse when you realize that [[spoiler:she wanted you to ''help''... and even as Harry pushes her away, you can't help but think that you'd do the same]].
* In the worst ending, [[spoiler:Harry's been DeadAllAlong.]]
* The school's locker room and the cat. You enter the normal school's locker room and hear rattling/banging from a locker. You open it, and a [[CatScare cat leaps out at you]]. The cat leaves the room...then there's a noise outside like crunching bone and an agonized yowl. When you leave, Grey Children are waiting for you right outside the door.
** Then you revisit the locker room in the 'dark' school, and you'll find the exact same locker rattling/banging the exact same way. [[spoiler:It keeps making noise right up until the second you open it...to find it completely empty and soaked with blood.]] Already unnerved by this, you prepare to leave, and as you begin to take your first step, [[spoiler:the locker in front of you suddenly opens, and a dead body wrapped in a bag falls out of it.]]
* Some of the posters on the walls can be pretty disturbing, despite the blocky texture work. The children's drawings are particularly creepy, but there's something about the "Dog Kill Cat" posters in the school that will haunt your mind.
* In the Midwich Elementary School, when Harry goes into one of the girl's bathrooms, you hear a girl crying in one of the stalls. It's just there for RuleOfScary. [[spoiler:Until you realize it's Alessa's ghost.]]
* During the last stretch of the "Nowhere" stage, you find a room with a refrigerator. There's a dagger you have to take from it, but you're only safe to take it after using the Ring on the fridge first. Take the dagger before using the Ring? Enjoy watching Harry get dragged into the abyss by a tentacle that bursts from the fridge.
* Fighting [[spoiler:Puppet Cybil]] near the end of the game. In one of the CG cutscenes, [[spoiler:she]] is sitting in a wheelchair, wakes up and staggers towards you with blood-red eyes. The boss also can and will shoot at you with a gun, and has a very disturbing laugh when the merry-go-round activates. If you didn't get the red liquid in the hospital, the only way out of the fight is to attack the boss until another CG scene triggers, which shows [[spoiler: Cybil]] puking blood all over the place and dying.
* [[http://www.youtube.com/watch?v=tY92NAdGaR4&feature=related "My Heaven"]]. NonindicativeName taken UpToEleven. It sounds like horrible laughter mixed with a distorted dentist's drill. While other Silent Hill music is truly beautiful and melodic, ''this'' song is almost a nauseating BrownNote. Quite possibly the crowning moment of horrid un-sound of all the ''Franchise/SilentHill'' soundtracks.
** [[http://www.youtube.com/watch?v=gzqWOlNcv5Q "I'll Kill You"]]. It's used very sparingly throughout the game, but try listening to it when you're alone and see if your hair doesn't stand completely on end.
** There's also the Moth battle theme, the "Nowhere" music and the FinalBoss theme.
* Behold what happens when you intentionally [[http://www.youtube.com/watch?v=ebkjAVjCJ50&feature=youtu.be corrupt the game during emulation]]. There are some funny character movement and animation glitches, but there are also some highly surreal graphical glitches and some of the sound effects and music become horrifically distorted and high-pitched, including the game's infamous siren.
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