If you read the news: Video game industry grew 4 times faster than US economy, video games business grows bigger and bigger. Video games are not only for kids, but also for adult nowadays. Like me, I will still play Nintendo video games. And recently, I am painful experience to pre-order Amiibo Wave 4 in ebgames. So you can see if you can target the adults like me, your video game online business will grow very fast.
There are many ways to target the adult video gamers. The fastest way is advertising. Not all online ad networks are suitable to get the video gamers. I suggest some networks below which have targeted traffic to your video game business: