XCOM: Enemy Unknown Timeline ( Real )

development
1991

Formation of the original X-COM project

The original concept for X-COM, as a counter-alien invasion task force, was developed in the early 1990s leading up to the 1994 release of the first game.

release
February 1, 1994

Release of the original X-COM: UFO Defense

The original X-COM game, also known as UFO Defense, was released, introducing players to the alien invasion theme and turn-based tactics.

development
2009

Development of XCOM: Enemy Unknown reboot begins

Firaxis Games started developing the reboot of the classic X-COM series, titled XCOM: Enemy Unknown, aiming to modernize the strategy experience.

announcement
March 9, 2011

Official announcement of XCOM: Enemy Unknown

Firaxis Games officially announced the development of XCOM: Enemy Unknown, the first new entry in the series in over a decade.

release
October 9, 2012

Release of XCOM: Enemy Unknown

XCOM: Enemy Unknown was released worldwide to critical acclaim, revitalizing the tactical strategy franchise with modern graphics and gameplay.

release
November 15, 2013

Release of XCOM: Enemy Within expansion

Firaxis released the Enemy Within expansion pack for XCOM: Enemy Unknown, adding new missions, enemies, and gameplay mechanics.

XCOM: Enemy Unknown Timeline ( Fictional )

ufo_event
Early 2014

First Recorded UFO Sighting

Multiple UFO sightings are recorded around the globe, marking the initial awareness of the alien presence on Earth.

organizational
Mid 2014

Formation of XCOM Project

International governments agree to establish a secret paramilitary organization known as XCOM to combat the extraterrestrial threat.

combat
Late 2014

First Alien Contact

XCOM personnel encounter hostile alien forces directly for the first time during a crash site recovery mission.

organizational
Late 2014

Establishment of XCOM Headquarters

XCOM establishes a mobile underground base equipped with research, engineering, and command capabilities.

research
Early 2015

Alien Autopsy and Technology Recovery

Recovered alien technology is studied, enabling advancements in human weaponry and equipment.

combat
2015

Defense of Earth Continues

XCOM conducts various missions worldwide to repel alien incursions and recover vital technology and information.

development
Mid 2015

Introduction of Advanced Weaponry and Armor

Research breakthroughs allow for the production of plasma weapons and advanced armor for XCOM operatives.

combat
Late 2015

Alien Base Assault

XCOM launches an assault on a major alien base, significantly disrupting the alien operations on Earth.

combat
End 2015

Final Confrontation with the Ethereals

XCOM faces off against the alien leaders known as Ethereals to end the invasion threat once and for all.