Something that used to scare me was a particular part of Crash Bandicoot. I'm serious. When I was way younger, I remember this level on Crash Bandicoot called 'Slippery Climb' or something like that. Every time Crash would land on a spike, the screen immediately cut to a small animation of him yelling "Ow!" and spinning around and falling over. I don't know why but everytime it just cut to that it'd freak me out. I think it's because it just happened to suddenly when you were to fall down onto the spikes.
These days though, I'd have to say Amnesia. Dead Space not so much.
These days though, I'd have to say Amnesia. Dead Space not so much.