The player is charged with leading this force and tasked to secretly engage and research the alien threat. The premise of the franchise is that an alien invasion beginning in 1999 prompts the creation of a clandestine paramilitary organization codenamed X-COM (an abbreviation of ' E xtraterrestrial Combat') by a coalition of funding nations. The X-COM core series consisted of four main games published by MicroProse: UFO: Enemy Unknown (also known as X-COM: UFO Defense, PC and Amiga in 1994, Sony PlayStation in 1995), X-COM: Terror from the Deep (PC in 1995, PlayStation in 1996), X-COM: Apocalypse (PC in 1997) and X-COM: Interceptor (PC in 1998). Main articles: UFO: Enemy Unknown, X-COM: Terror from the Deep, X-COM: Apocalypse, X-COM: Interceptor, X-COM (Email games), X-COM: Enforcer, X-COM: Genesis, and X-COM: Alliance

Original X-COM games Aggregate review scores It was followed by the prequel The Bureau: XCOM Declassified and the sequel XCOM 2. The X-COM series, in particular its original entry, achieved a sizable cult following and has influenced many other video games including the creation of a number of clones, spiritual successors, and unofficial remakes.Ī reboot series was published by 2K Games, beginning with the strategy video game XCOM: Enemy Unknown, developed by Firaxis Games and released in 2012 to critical and commercial success. The original lineup by MicroProse included six published and at least two canceled games, as well as two novels. The series began with the strategy video game X-COM: UFO Defense created by Julian Gollop's Mythos Games and MicroProse in 1994. XCOM (originally called X-COM) is a science fiction video game franchise featuring an elite international organization tasked with countering alien invasions of Earth. MS-DOS, Amiga, Amiga CD32, PlayStation, Windows, PlayStation 3, Xbox 360, OS X, iOS, Android, Linux, PlayStation Vita, PlayStation 4, Xbox One, Nintendo Switch

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