What are some horror movies that don't have like demons or the paranormal in it?
Riddick, the Saw series, Halloween , Friday the 13th, Nightmare on elm street, Texas Chainsaw massacre, some could be classified as thriller-horror but all good movies!! ;-)
Human Centipede heheh ;)
pretty much any slasher movie Jason FreddieItSawChuckyJaws(jk when that movie first came out aparently it scared tons of people)
Thr3e (three) based of the book thr3e by ted dekker
World war Z