* Take a drink any time someone says "Oh my god!", "we've got to get out of here" or any variation of it. That's all there is to it.
** Please be very careful towards the latter end of the film.
* Take a sip for each time:
** you see Clover's face.
** a famous building or monument in the New York area is either destroyed, discovered by the main cast to be destroyed, or reported by the media to be destroyed.