The spelling of the word "XCOM" can be explained through the International Phonetic Alphabet (IPA). The "X" is pronounced as /eks/, representing the sound of the letter "k" and "s" blended together. The "C" has a hard "k" sound, as in /kɒm/. Combined, the word is pronounced /eks.kɒm/. This unique spelling is often used as an acronym or title for various video games, such as the strategy game franchise XCOM: Enemy Unknown.
XCOM is an acronym for "Extraterrestrial Combat Unit", which primarily refers to a popular turn-based strategy video game series developed by Firaxis Games.
As a game, XCOM is set in a near-future Earth invaded by hostile extraterrestrial forces. The player assumes the role of the commander, leading an elite international organization known as XCOM, which aims to defend humanity from the alien threat. XCOM involves strategic decision-making, resource management, and tactical combat engagements against the alien invaders. The game heavily emphasizes the consequences of every decision made, as well as the permanent death of soldiers, adding a layer of challenge and uncertainty.
Apart from being a video game series, XCOM can also refer to the organization itself within the game's narrative. The XCOM entity is a multinational initiative formed to analyze and counteract the alien invasion. It is depicted as a highly advanced, covert agency with a global infrastructure of research facilities, command centers, and military bases.
In a broader context, XCOM has become a recognized term among gaming communities, often used to describe similar turn-based strategy games or any concept involving humanity's defense against extraterrestrial threats.