I'm doing a football game which is now seen from above, I would like to know the easiest way to transform it into a perspective view.
There are a few isometric engines out there.
What is isometric? Well google images shows alot: http://images.google.nl/search?tbm=isch&q=isometric
It is a kind of a eagle eye perspective that I think you are looking for. And you dont need a full 3d engine for it.