Trivia: Closely listen to the TV playing in the background, when Mathew Broderick comes home from school, before all his trouble starts with the Feds. The local news is on, and is saying "a fire broke out in a prophylactic recycling factory."
Trivia: When Joshua starts playing through various scenarios at the end of the film, a list of the scenarios flash over the screen. The research for the film was so comprehensive that they actually managed to acquire the real list of war games the US government had, and the list in the film is directly based on that one.
Trivia: The voice on the pocket tape recorder in the infirmary is that of the film's director, John Badham.