It is very interesting the game, and as you grow you have more opportunities, it is not a matter of winning I think, it is more about being able to develop your territory, well that's how I understand it.
If you are right it must be a lot of fun, and how many players can be in the game at the same time.
Yes it is an interesting game. Players focus more on resources and the points come naturally from building from the resources.
being able to develop your territory
Expanding your settlements and building building building.
how many players can be in the game at the same time.
Between 2 - 4, with 3 being optimum in my opinion.