FREE: XCOM: Ultimate Collection on Steam

The listing, XCOM: Ultimate Collection on Steam has ended.

XCOM: Ultimate Collection
https://store.steampowered.com/bundle/20109/XCOM_Ultimate_Collection/

XCOM: ENEMY UNKNOWN - THE COMPLETE EDITION
Winner of dozens of Game of the Year awards, XCOM: Enemy Unknown is the modern remake of the classic and beloved original XCOM.
XCOM: Enemy Unknown will place you in control of a secret paramilitary organization called XCOM. As the XCOM commander, you will defend against a terrifying global alien invasion by managing resources, advancing technologies, and overseeing combat strategies and individual unit tactics.

Bulk up your defenses with the XCOM: Enemy Within expansion pack, Slingshot Pack (DLC), and the Elite Soldier Pack (DLC)

XCOM 2 COLLECTION
XCOM 2 is the sequel to XCOM: Enemy Unknown, the 2012 award-winning strategy game of the year.
Aliens now rule Earth, promising a brilliant future for mankind while secretly hiding a sinister agenda. As the leader of a guerrilla force facing impossible odds, you must ignite a global resistance to eliminate the alien threat and save the human race from extinction.

Expand your resistance with XCOM 2: War of the Chosen expansion pack and all 5 DLCs.

XCOM: CHIMERA SQUAD
As the 2020 Best Sim/Strategy game nominee at The Game Awards, XCOM: Chimera Squad delivers an all-new story and turn-based tactical combat experience in the XCOM universe.
Five years after the events of XCOM 2, humans and aliens are working together to forge a civilization of cooperation and coexistence. However, not all of Earth's inhabitants support interspecies alliance. Chimera Squad, an elite force of human and alien agents, must work together to destroy the underground threats driving the city toward chaos.