Wargames 25th Anniversary Edition Starring Matthew Broderick

A high school computer geek (Matthew Broderick) trying to impress a girl (Ally Sheedy) by breaking into a software company's computer to play the latest games of 1983 accidentally ends up starting a global thermonuclear war simulation with the WOPR (War Operations Planned Response) at NORAD (North American Aerospace Defense Command) that triggers a full scale nuclear alert because General Beringer (Barry Corbin) thinks the simulation is real. The geek gets arrested on charges of being a Soviet spy, but the game is not over and with the WOPR being in charge of all US nuclear forces he must try to save the world from nuclear armageddon.