While playing this mode, quests give the player optional tasks to accomplish while conquering the globe. The Game's World Domination mode allows players to battle across a virtual earth which is split into many sections/provinces. In EE3, each region focuses on different styles of game play for example, the Middle East has mobile buildings, the West has a few powerful units, and the Far East has masses of weak, swarming units combined with powerful mutants in the future. Another new feature in EE3 is certain nuclear weapons such as a nuclear cannon. the Far Eastern civilization contains China and Japan). Furthermore, each civilization features subfactions based on historical nations (e.g. Each civilization can be customized by the player to their choosing.
There are three customizable civilizations to choose from which are Western, Middle-Eastern, and Far Eastern.