Complex sentence: The object is to end the game with more money (including assets) than any of your rivals; how you go about it (naughty and/or nice) doesn't directly affect who wins or loses, but actions do have consequences in the game.
Split into simpler sentences: The object is to end the game with more money (including assets) than any of your rivals. How you go about it (naughty and/or nice) doesn't directly affect who wins or loses, but actions do have consequences in the game.