I suggest to turn your sound quite high and turn off the lights. Trust me, this is the only site that ever freaked me out (the other stuff proposed in here was crappy compared to this).
Just click things presented in the room to see what happens. It is really nerve-wrecking. But it is so fun because of the
Meh, just presented this for the my needed adrenaline and spirit for the coming out of 'Silent Hill'. Wo0T!