Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Njem: Egwuregwu ahụ na-egosipụta ọchịchị ndị Europe nke America, n'agbata ihe dịka 1492 na 1876 AD. E nwere obodo iri na anọ a ga-egwu n'ime egwuregwu a. Age of Empires III emeela ọtụtụ ihe ọhụrụ na usoro ahụ, ọkachasị na mgbakwunye nke "Home City", nke na-ejikọta usoro oge na oge na-egwu egwu. A tọhapụrụ ngwungwu mgbasa abụọ: nke mbụ, Age of Empires III: The WarChiefs, ka a tọhapụrụ na Ọktọba 17, 2006, ma webata mmepeanya atọ nke ụmụ amaala America; nke abụọ, Age of Empires III: The Asian Dynasties, ka a tọhapụrụ na Ọktọba 23, 2007, ma gụnye mmepeanya atọ nke Asia.  Ajụjụ: Afọ ole ka egwuregwu a na-eme?
1492 na 1876 AD.