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XCOM

video game series

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionAug 26, 2026
Entity authorityQ578544
Source-derived summary

XCOM (originally called X-COM) is a science fiction video game franchise featuring an elite international organization tasked with countering alien invasions of Earth. The series began with the strategy video game UFO: Enemy Unknown created by Julian Gollop's Mythos Games and MicroProse in 1994. The original lineup by MicroProse included six published and at least two canceled games, as well as two novels. 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.

A reboot series was published by 2K, beginning with the strategy video game XCOM: Enemy Unknown, developed by Firaxis Games and released in 2012 to critical and commercial success. It was followed by the prequel The Bureau: XCOM Declassified and the sequels XCOM 2 and XCOM: Chimera Squad.

Games

Released

X-COM series (1994–2001) XCOM reboot series (2012–present)

Cancelled

Original X-COM series (1994–2001)

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). 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 "Extraterrestrial Combat") by a coalition of funding nations. The player is charged with leading this force and tasked to secretly engage and research the alien threat. The sequels, against new alien invasions, are set underwater (Terror from the Deep, set in 2040), in a futuristic megacity (Apocalypse, set in 2084), and in space (Interceptor, set in 2067 and making it a prequel to Apocalypse).

Editorial summary

Begin with the source’s own compact description: “XCOM” is video game series. The dossier treats that line as a proposition to test through XCOM, video and game, not as a finished interpretation.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—1994, 2012, 2001, 1995—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, XCOM, video and game is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “video game series” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Aug 26, 2026. The linked authority identifier is Q578544. None of the 1 selected statements returned an explicit reference. The first chronological checks are 1994, 2012, 2001 and 1995.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “XCOM”, its source revision and the description used here.
  2. Expand the search: follow XCOM primary sources, XCOM archive and XCOM research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “XCOM”?
  2. What terminology or title could unlock a more precise catalogue search?
  3. Which cited source is closest to the event, object or claim?
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Source & attribution

This entry incorporates text from XCOM” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.