Empire Earth has been discontinued. Similar games include 0 A.D., which is free and open source. Other options are FreeCiv, Age of Empires, Warzone 2100 and Warcraft III. You're spoiled for choice with RTS Games like Empire Earth: we list more than 25 alternatives for Windows, Linux, Mac, Android and iPhone.
Patron builds upon the foundations laid out by the staples of the survival city builder genre and enhances the experience with a large research tree and by introducing intricate social dynamics into the game and the genre in general.
United Kingdom
GenTown is a game about guiding civilization - indirectly, through a series of prompts. Inhabitants ask for your input, but have affairs of their own. The simulation includes diplomacy, war, trade, economy, revolutions, disasters, and more.
Annex: Conquer the World is a indie real time strategy game. Play as one of four factions, over 30 tech trees, original maps, and tileset.
Tentlan is a free strategy real-time online game played in the times of the pre-Columbian Americas. Starting off with a small settlement in the rainforest, you will gather power and influence till you end up developing a great maya empire.
Germany
EU
