Revolution is highly replayable and well balanced, although it is difficult to stick to a totally peaceful approach. The world is small and nearby opponents very aggressive, constantly demanding you give them precious gold or technology in exchange for (usually short-lived) peace.
But while it is difficult to remain diplomatic, players can win through scientific, cultural, economic or military domination and each approach is equally satisfying. There is a real art to switching your cities' production to match current needs and your nefarious plans for world domination.
