The Last Starfighter movie

This is the story of a videogaming boy, named Alex Rogan who lives in a remote trailer court where his mother is manager and everyone is like a big extended family. Meanwhile, Alex becomes the top player of Starfighter, a stand-up arcade game where the player defends the frontier from Xur and the Kodan armada in a space battle. After achieving his best score, he is approached by the games inventor, Centauri. Stepping into Centauris vehicle, he is seemingly doomed to stay at his trailer park home all in his life, he finds himself recruited as a gunner for an alien defense force when Centauri is a disguised alien who whisks him off to another planet.