There's no hard rules, but generally most the of the stuff is geared towards game art or real time rendering. A lot of the highpoly sculpts and 3d prints that get posted are people that generally post game art, but are also trying something different. Don't expect to get much help or feedback about VRay, Mental Ray, or…
I was going to make a new thread for this question but I guess it fits here. Where would "Visual Novel" art fit? Technically, it's still game art because you can play them, but almost all interactivity is taken away from you apart from hitting "yes" or "no". As for the art itself, it can technically be 2D, 3D or even a…
Post whatever manner of art you want, just try to do it in the appropriate section. Polycount's origins are in game related art and a large portion of the art posted has that focus in mind, but I think I can safely say nobody is going to get after you for posting other work. The 2D section for example is full of art that…