Horror games as good as Amnesia?

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Naah, I don't have onboard graphics. The game just hates me

I know about the Yithian gun, but well I just thought the game could have done without you battling the polyps. Those things looked pretty disturbing indeed, so why kill the horror they create by making them easy to defeat with a huge lightning gun?
I'm not generally against the use of firearms in that game but I think they should have been reserved to being effective against human enemies only. It would have made all the non-human enemies much scarier because it would have really stressed the point of how otherworldly and powerful they are.

And like I added, there are parts I found disturbing, namely those insanity flashbacks in the asylum hallways. A bit more of that and a bit less shooting and it would have been perfect

Actually while playing I thought quite often that this game probably served as inspiration for Amnesia because they used some aspects of it (insanity increasing by looking at enemies for example and a focus on puzzles) and improved parts that didn't work so well. (chase scenes in Amnesia are hard to fail at but still tense, weapons are entirely removed)

Yeah, a chase scene involving the polyps like in Shadow Out of Time would have been great, but I still think that part is among the most frightening in the game. They are not that easy to kill and they can kill you quite easily. I think that the idea that just because you can remove the threats that the situation automatically becomes less scary is wrong. Yes, the immediate horror is alleviated but if done right, it can actually add to the tension. Manhunt is a good example. You can kill everything in that game and it is still very scary, because if you are discovered you will most likely die, and the ways in which you kill the enemies are extremely disturbing which really makes you nervous.