WarGames is a 1983 American science fiction thriller teen movie starring Matthew Broderick and Ally Sheedy and directed by John Badham. The movie follows a computer hacker named David Lightman (Broderick) who breaks into a NORAD war games simulation computer that he thinks is really the computer for a computer game company. Lightman begins a series of events that could start World War III. The movie was nominated for three Academy Awards and was a big hit. It continues to be popular.