This article is about the board and video game subgenre. For other uses, see 4X (disambiguation).
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Lists
List of 4X video games
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List of massively multiplayer online turn-based strategy games
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List of real-time strategy video games
List of real-time tactics video games
List of tactical role-playing video games
List of turn-based strategy video games
List of turn-based tactics video games
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4X (abbreviation of Explore, Expand, Exploit, Exterminate) is a subgenre of strategy-based computer and board games,[1][2][3] and includes both turn-based and real-time strategy titles.[4][5] The gameplay generally involves building an empire.[6] Emphasis is placed upon economic and technological development, as well as a range of military and non-military routes to supremacy.
The earliest 4X games borrowed ideas from board games and 1970s text-based computer games. The first 4X computer games were turn-based, but real-time 4X games were also common. Many 4X computer games were published in the mid-1990s, but were later outsold by other types of strategy games. Sid Meier's Civilization is an important example from this formative era, and popularized the level of detail that later became a staple of the genre. In the new millennium, several 4X releases have become critically and commercially successful.
In the board (and card) game domain, 4X is less of a distinct genre, in part because of the practical constraints of components and playing time. The Civilization board game that gave rise to Sid Meier's Civilization, for instance, includes neither exploration nor extermination. Unless extermination is targeted at non-player entities, it tends to be either nearly impossible (because of play balance mechanisms, since player elimination is usually considered an undesirable feature) or certainly unachievable (because victory conditions are triggered before extermination can be completed) in board games.
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^Cite error: The named reference 4XandRTS was invoked but never defined (see the help page).
^Abner, William (January 2002). "GameSpy Reviews: Starships Unlimited: Divided Galaxies". GameSpy. Archived from the original on 2007-06-29. Retrieved 2008-06-23.
^Cite error: The named reference galcivGOTY was invoked but never defined (see the help page).
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