I looked at this thread: <a href="http://forum.unity3d.com/threads/158842-Side-scroller-with-depth-(TMNT-Double-Dragon)">http://forum.unity3d.com/threads/158842-Side-scroller-with-depth-(TMNT-Double-Dragon)</a> but there was only 1 reply, You will need to decide whether you are doing 2D or 3D. he is more an art decision than a programming onexDThere is probably other problems with 2d and depth that I have not thought of, but any help is appreciated.