* DuelingMovies: Came out in the same year as ''TheSixthSense''
* NightmareFuel:
** There's a certain sound effect that really wigs people out who hear it.
** The fingernail snapping off, and its sound effect; also counts as NauseaFuel
* RewatchBonus - A lot of off-hand remarks made during the movie take on a new twist when you know what's really going on, such as how Frank keeps going on about what a decent neighborhood it is that they all live in.