Empire Earth II, also called EE2, is a real-time strategy computer game developed by Mad Doc Software and published by Vivendi Universal Games on April 26, 2005. It is a sequel to the 2001 bestselling game Empire Earth, which was developed by the now-defunct Stainless Steel Studios. The game features 15 epochs and 14 different civilizations.

The game has three playable campaigns: a Korean, German, and American one, as well as several other playable scenarios. The game received a positive reaction, earning a 79% average rating on GameRankings. An expansion pack, which was released by Mad Doc Software called Empire Earth II: The Art of Supremacy, was released on 14 February 2006.

Empire Earth II has several new gameplay features from the original gameplay of Empire Earth, such as the Picture-in-Picture window, a small window within the game interface which allows the player to control activities such as unit and building construction. The Citizen Manager can be configured to tell a citizen what to do if they have no set task, and the Diplomacy System allows the player to make tributes and manage alliances and wars with other players. The War Planner is another new addition, which is a map of the game that the player can display and use to coordinate attacks with allies. The crown system grants strategic bonuses to players who are first to master an epoch's military, economic, or imperial paths at the cost of losing a faster age progression. Weather, another new feature, changes over time on the map and affects the look of the map and performance of units and, in the case of airplanes in thunderstorms, hit points.

Empire Earth, also known as EE, is a real-time strategy video game developed by Stainless Steel Studios and released on November 23, 2001. It is the first game in the Empire Earth series. It has been described as very similar to the Age of Empires series, and received positive reviews.

The game requires players to use citizens to collect resources and construct buildings and produce military units to conquer opposing civilizations.Empire Earth spans 500,000 years of world history, which is divided into 14 epochs, beginning with the prehistoric age, and ending with the nano age.

An expansion pack was developed by Mad Doc Software called Empire Earth: The Art of Conquest, which was released on September 17, 2002. It added new features such as a special power for each civilization, and a new 15th epoch, entitled the Space Age, which focuses on the colonization of space planets.

Empire Earth is similar to the Age of Empires series in that it is a history-based real-time strategy game. Empire Earth uses 3D graphics instead of sprites like Age of Empires II, the comparable game at the time. The game itself contains many unique and innovative features, including a "morale" system, which directly affects individual units statistics. It also incorporates a "hero" system. Heroes can be built at the town center or capital. There are two types of heroes, Strategist heroes who heal surrounding units and can demoralize enemy units while Warrior heroes give morale to surrounding units and have a greater attack power. Finally, the player has the option of creating their own civilization with unique bonuses. Empire Earth has a map editor included.