Like in most haunted house settings, the "actors" are not allowed to touch you. Most of it is really your own fear coupled with scary music piped in and the thought of the unknown. One of the better HH at the H-O-S BGTampa I remember was an insane asylum. Most of the haunted houses were similar just with different settings/themes. The idea being that "actors" would pop up from behind something and try to scare the crap out of you. The shows were very interesting too. I remember one I went to a few years ago at H-O-S BGT was this older magician/psychic kinda guy. He is well known although his name escapes me at the moment. He threw these cards into the audience and whoever they hit was called up on stage. I was one of the people to go up on stage. Then he has the 8 or so people pretend to murder someone in the audience and hide the murder weapon (all this while he is away and not seeing). Then he comes back and "reads" us to try to find out who murdered who and where they hid the weapon. They also have had a musical show where they had look-alike performers (Britney, Christina, other pop stars) who were made to look like zombies or something dancing and singing (sounds corny, but was upbeat and fun).