Civilization IV is a game in the turn-based strategy genre.
Sid Meier 's Civilization IV is a turn-based strategy computer game and the fourth installment of the Civilization series .. Sid Meier. Sid Meier. Civilization. Civilization ( series ). turn-based strategy. turn-based strategy. computer game. PC game. It was designed by Soren Johnson under the direction of Sid Meier and his video game development studio Firaxis Games .. Firaxis Games. Firaxis Games. Sid Meier. Sid Meier. Soren Johnson. Soren Johnson. video game development. video game developer. It was released in North America , Europe , and Australia , between October 25 and November 4 , 2005 .. Civilization IV uses the 4X empire-building model for turn-based strategy gameplay , in which the player 's main objective is to construct a civilization from limited initial resources .. Civilization. Civilization ( series ). turn-based strategy. turn-based strategy. civilization. civilization. Most standard full-length games start the player with a settler unit and / or a city unit in the year 4000 BC .. As with other games in the series , there are by default five objectives the player can pursue in order to finish the game  : conquering all other civilizations , controlling a supermajority of the game world 's land and population , building and sending the first sleeper ship to the Alpha Centauri star system , increasing the `` Culture ratings '' of at least three different cities to `` legendary '' levels , or winning a `` World Leader '' popularity contest by the United Nations .. supermajority. supermajority. sleeper ship. sleeper ship. Alpha Centauri. Alpha Centauri. United Nations. United Nations. If the time limit for the game is reached and none of the previous goals has been fulfilled by any players including game AI players , the civilization with the highest total game score is declared winner .. civilization. civilization. AI players. Artificial intelligence. A large departure from earlier Civilization games is a new graphics engine created from scratch , based on the Gamebryo engine by Numerical Design Limited -LRB- NDL -RRB- .. Civilization. Civilization ( series ). Gamebryo. Gamebryo. graphics engine. game engine. The game has received critical acclaim and was hailed as an exemplary product of one of the leading video game producers in the turn-based strategy genre .. turn-based strategy. turn-based strategy. Civilization IV has sold 3 million copies and won multiple awards , including several Game of the Year awards .. Civilization. Civilization ( series ). Game of the Year. List of Game of the Year awards. In addition to this , Firaxis Games has also released two major expansions , Civilization IV  : Warlords and Civilization IV  : Beyond the Sword , as well as the standalone game Civilization IV  : Colonization , which were all combined in 2009 into one release edition titled Sid Meier 's Civilization IV  : The Complete Edition .. Firaxis Games. Firaxis Games. Sid Meier. Sid Meier. Civilization. Civilization ( series ). standalone game. Stand-alone expansion pack