You haven’t played Asteroids until you’ve played it sitting in a chair, scooting around a two-dimensional field of dangerous space rocks scrawled in laser at your feet. If you find this idea slightly terrifying (?), don’t worry, here’s a video of Nolan Bushnell having a crack at it first.
Every year sees the release of movies about making music, movies about making other culture, of course, and movies about making movies. Movies about making games? Only once in a while, as with Indie Game The Movie.