That’s probably down to for most its an order of magnitude harder to make a full 3D game. So as much as I’d like to see more of this myself, sadly there are not going to very many out there. I’d love if my modelling ability was good enough to do my game in full 3D. But unless I win the lottery I don’t play or we enter into a Star Trek style economic utopia I can’t see me ever having the time to get to that level, if ever.
But I digress. If you’ve not seen them already, off the top of my head a couple I know are: