In Ancient Greece, City-States (or Polis) competed for wealth and power, drawing strength and resources from their Khôra: the surrounding countryside.
As the leader of your Polis, you must develop your Economy, your Culture, and your Military, while sending out Troops to explore and conquer. Capitalize on your unique strengths to attract more Citizens, raise Taxes, recruit Troops, and garner Glory.
Pick your City-State
Optimize your actions and resources
Develop these actions faster than your opponents.
And win the race to development