Lucky you, there IS a game coming!
Ubisoft is making a new game based on James Cameron’s Avatar - The Verge
But I agree, this concept art makes me think more of a video game than a movie. Granted, it’s concept art of a *highly* CGI-ed film so it shouldn’t come as much of a surprise.
Meh, the first game was pretty unremarkable. There's a reason that the trend of making video games based on upcoming movies pretty much died out over the last decade: they were lousy and often rushed to meet their deadlines resulting in buggy experiences.