I also think the game should be 3D characters & combination of 2D/3D environments. I believe I can help with creating level geometry. Here are a few links to some of my work.VR Portfolio and Experimental games. Ganderoleg, I'm not sure if you already mentioned the amount of time you can put into this project, but you put forth some pretty impressive work already and I think you have a good sense on how the project artwork can be organized. Maybe you'd be up to being Artist Leader?