WarGames is a 1983 American science fiction techno-thriller film written by Lawrence Lasker and Walter F. Parkes and directed by John Badham. The film, which stars Matthew Broderick, Dabney Coleman, John Wood, and Ally Sheedy, follows David Lightman (Broderick), a young hacker who unwittingly accesses a United States military supercomputer programmed to simulate, predict and execute nuclear war against the Soviet Union.
During a surprise nuclear attack drill, many United States Air Force Strategic Missile Wing controllers prove unwilling to turn the keys required to launch a missile strike. Such refusals convince John McKittrick and other NORAD systems engineers that missile launch control centers must be automated, without human intervention. Control is given to a NORAD supercomputer known as WOPR (War Operation Plan Response, pronounced "whopper"), programmed to continuously run war simulations and learn over time.