One of the core elements of the Age of Empires series, and one that fans have been hoping for an update to since its debut, is the population capacity. Related: Everything Announced During The Age Of Empires Fan Preview With the next major installment due out in Fall 2021, Age of Empires 4, the franchise could use a more extensive shake-up and modernization, especially with the last main entry in the series being Age of Empires III way back in 2005. While each successive game in the Age of Empires series has made improvements on its predecessors, they have primarily been subtle tweaks and changes. Each edition of Age of Empires focuses on players developing and building up their chosen nation through technological research, city-building, economic production, and military expansion. Age of Empires, a series of real-time strategy games which first debuted in 1997, was one of the pioneers of the RTS genre of computer games.