I've often thought the game could have an "Empires Ascendant" mode, which is what the game is now with territories, citizen-soldiers, etc. This is the mode that is standard for the game and the mode that's used in official campaigns and what is used for ranking in multiplayer.
But.... there could also be a "classic" mode where the game plays more like an old-school RTS akin to Age of Empires or Command & Conquer. Building on my "Two Gender Citizens" mod (here:
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