Official release of XCOM 2, the turn-based tactics video game by Firaxis Games and 2K Games, known for its gameplay where players command a mobile resistance force fighting against an alien occupation.
Firaxis Games officially announced XCOM 2 as the sequel to the rebooted XCOM: Enemy Unknown, generating anticipation in the video gaming community.
Launch of the major expansion pack War of the Chosen for XCOM 2, which introduced new gameplay elements, enemies, and storylines.
After the successful defense against the alien invasion in XCOM: Enemy Unknown, XCOM is formally established as an elite multinational paramilitary organization tasked with combating extraterrestrial threats.
The alien forces reveal their covert operation on Earth, successfully implementing their plan to subjugate humanity through the ADVENT project and establish control over the planet.
The ADVENT forces launch a surprise attack on the XCOM base, destroying its headquarters and forcing remaining members to retreat underground.
Surviving XCOM personnel and resistance fighters unite to form a mobile guerrilla force aimed at sabotaging ADVENT operations and reclaiming Earth.
XCOM intelligence uncovers the ADVENT's Avatar Project, a secret plan to create a hybrid alien-human ruler to finally conquer humanity.
XCOM begins strategic missions to disrupt ADVENT control, garnering support from scattered resistance cells worldwide.
XCOM forces infiltrate several heavily guarded ADVENT research centers to gather intelligence and sabotage the Avatar Project.
XCOM mounts a decisive strike against the fully operational Avatar Project to prevent the creation of the alien hybrid overlord.
With the Avatar Project neutralized, XCOM rallies human forces worldwide resulting in the defeat of ADVENT and restoration of Earth's freedom.
