From Firaxis Games and Sid Meier, the creative genius behind some of the most critically acclaimed computer games ever produced, comes the latest offering in the Civilization III franchise - Civilization III: Complete. Gaming fans can now enjoy Civilization III, the highly addictive journey of discovery , combined with the updated and enhanced multiplayer expansion pack Civilization® III: Play the World™, as well as all of the great new Civs, Scenarios, and Features from Civilization III: Conquests! Civilization III: Complete provides more ways to win, more ways to explore, more strategies to employ, and more exciting modes of play all in one box! Civilization III: Complete gives Civ® fans the opportunity to enjoy unmatched strategic gameplay alone or against players from around the world.

CIVILIZATION III FEATURES

• Dominate the world through Diplomatic Finesse, Cultural Domination, and Military Prowess.
• More interactions, alliances and realistic artificial intelligence responses put players in the middle of negotiations, trade systems and diplomatic actions. Advanced trade system to manage resources, trade routes and spread of technology.
• Improved combat options provide finer levels of control for enhanced war-making capabilities.
• Technologies, Wonders Of The World and Great People expand the scope of the game.
• New elements of Culture, Nationality and the Arts help players plan a new peaceful pathway to victory. 
• Active world generator creates more realistic maps and organic terrain features.
• The most detailed and beautiful art, animations and sound ever found in the genre.
• Easier-to-use interface for streamlined management and better control.

 
CIVILIZATION III: PLAY THE WORLD FEATURES 

• Multiplayer Modes: Includes Turn-Based and Simultaneous game types and appearing for the first time in a Civilization game, a Turn-less mode. Provides full TCP-IP/LAN, Hotseat and Play be Email support.
• Multiplayer games: Face off against the best Civilization players worldwide with fast-paced multiplayer games like Elimination, Domination, Regicide and Capture the Flag.
• Eight new Civilizations featuring new Leaders including: Genghis Khan Temujin, King Hannibal, Queen Isabella and King Brennus, and all new units will challenge your diplomatic and combat skills.
• Enhanced Scenario Editor, including new unit and tile sets lets players construct a Scenario from any time period.
• Players can strengthen their empire with:
  * new map features like outposts, airfields and radar towers
  * new guerilla and medieval infantry units
  * new wonders and city improvements
• Updated interface improvements like auto bombard, rally points, stacked movement and a streamlined espionage interface allow for more efficient management.
• A dazzling new opening cinematic and combat animations bring your Civilization world to life like never before.
• Easier-to-use interface for streamlined management and better control.

CIVILIZATION III: CONQUESTS FEATURES 

• More Civilizations: Seven new powerful civilizations from the innovative Sumerians to the mystical Mayans.
• More Units: Use Trebuchets to batter down the enemy's walls or Sumerian Enkidu Warriors to quickly gain military dominance.
• More Techs: Map the world using Satellites to explore the entire map.
• More Disasters: Beware the volcanoes, or Pompeii could become your reality.
• More Diplomacy Options: Locked alliances allow good vs. evil conflicts you'll never forget.
• More Map Features: Bombard the enemy and leave behind craters.
• More Resources: Fight for control over Tobacco, Bananas, Oasis, Salt, Sugar, Jade, and Exotic Birds.
• More Wonders: Build 5 all new wonders, including the statue of Zeus and the even all new commerce bonuses
• More Government Types: Fascism, Feudalism, Tribal Council, and Imperialism are just a few of the new ways to rule your people.
• More Unit Abilities: Including Stealth Attack, Enslavement, and other bonus attack modifiers (e.g. damage multipliers can now be applied to units).
• More Attributes: Including two new Civ-Types: Agricultural and Seafaring
• More City Specialists: Including Civil Engineers and Police Forces
• More Improvements: Including improvements to the AI, Combat System, Interface, Rally Points, Governors, Leaders, Unit-Stacks, and even Game Balance!
• More Game Options: Including the ability to choose Random World Sizes and new levels of difficulty such as "Demigod" and "Sid"
• Extra Content: Civ®-Conquests contains all of the content including: Civs, leaders, special units, and features from the Civilization III: Play the World™ expansion.
• ...And much, much, more!

To activate the game, you need a Steam Account

• Login or register at the official
  Steam Website and download Steam client
• Install and start application, login with your Account name and Password
• Click the Games Menu.
• Choose Activate a Product on Steam...
• Follow the onscreen instructions to complete the process
• After the successful code verification, go to the "MY GAMES" tab and start downloading.