game art and 3d art should be one category. illustration and graphic design can be one category as well. contact, about and resume can all be one page. if you wish to put twitter and other social stuff, put it in front of your name. it's really annoying to see it following me. hope it helps.
Header is way to tall. Shrink that down. Also you have way too many categories of things. If you're a 3D Environment Artist then your portfolio should consist of that type of work (in whatever style(s) you want to work in). If you're a Concept Artist/Illustrator then your portfolio should consist of that. Your portfolio…
I think you should focus on either 2D art or 3D art because right now neither is strong, nor do you have a body of work large enough to properly evaluate your skills in either facet. That toagre model has no place on a portfolio that is trying to be competitive. The cyberpunk assassin, apart from having an extremely cliche…