The Last Starfighter (1984)

After finally achieving the high score on Starfighter, his favorite arcade game, everyday teenager Alex Rogan (Lance Guest) meets the game's designer, Centauri (Robert Preston) -- who reveals that he created Starfighter as a training ground for developing and recruiting actual pilots to help fight a war in space. Whisked away from the banality of his trailer park life to a distant alien planet, Alex struggles to use his video game-playing skills to pilot a real ship, with real lives at stake.