For instance, the Civ games are basically Whig History: The Game, presenting liberal capitalism as the ideal end point for all societies. It even includes uncivilized "barbarian tribes" whose sole purpose is to be exterminated so you can take their land for the glory of capitalism.
This is basically the plot of Ogre Battle 64 (though you start off on the wrong side) and it rules
I remember enjoying that game but forgot all of the plot, sounds cool