They only appear within their own campaign, Pachacuti.
Of the 39 civilizations, 29 got a playable campaign or scenario when introduced, five in the next expansion ( Britons, Japanese, Turks, Vikings, and Mayans), and five in the one after that ( Byzantines, Chinese, Goths, Persians, and Lithuanians). Since the release of Dawn of the Dukes, every civilization has at least one playable campaign or scenario.
Despite the fact that The Last Khans is an exclusive expansion of the Definitive Edition, in the game files it is possible to find the description of the campaigns for the expansion pack, which can be deduced that it was planned as another DLC for the HD Edition, and the Tamerlane campaign also has a slightly different description to the one seen officially.
Age of empires iii definitive edition walkthrough mods#
El Dorado can still be downloaded via mods for the Definitive Edition. Also, the player rarely controlled the Incas in El Dorado instead, the player controlled the Spanish more often, being seen more as another Spanish campaign, which is evidenced in the plot.
With the release of the Definitive Edition, both Reign of the Hittites and First Punic War campaigns are included officially.