The Age of Videogames has a good ring to it and it's true. Games can be art and sometimes have huge budgets. They also play an important role in developing hardware and software to a new level. If robots are ever fully realised, then the software used to run them will have roots in games.
The Art of Videogames or something along those lines would also be a good title imho, but it might not suit your film, even though gaming has effected nearly every other form of art.