I don't think as a creator that I could create an experience that truly feels interactive if you don't have something to hold in your hand if you don't have something like force feedback that you can feel from the controller.
I'm a fan of horrors. I love the ones that make you jump. My girlfriend hates it. I've been dating her for one-and-a-half years and I'm crazy about her but she's terrified of horror films. Not the cute 'Will you hold me?' way but she's weeping. With 'House of Wax ' we'll be sleeping and I'll go to the bathroom and she's sitting up waiting for me.