Continuity mistake: At the very beginning of the movie, when they play the guessing game, Alex asks "Am I Dan?" Her index finger in the close-up is placed on the lid of the container, while it was well below it in the previous shot.
Continuity mistake: Just after the unanswered call from Pandora, Alex is sucking on the glasses' arm, which becomes her finger in the following shot, and the arm again right after.
Continuity mistake: When the two protagonists are introduced to the private room and watch Dan's video message, the clock in the background never moves despite the several minutes duration.
