In 2001, the Black Mesa Research Facility was operated in secret. Black Mesa was primarily a place for researching portals. The portals they were studying led to the planet Xen, a world filled with high-value minerals and various alien life forms. However, one day, an accident during an experiment at Black Mesa caused an interdimensional portal to connect to Earth, allowing countless alien creatures to cross over. Subsequently, a new alien force known as the Combine invaded Earth, conquering the entire planet in just seven hours.
Age 33. Affiliation: Combine Soldier and Combine Elite Soldier. Birthplace: Virginia, USA. Appearance: He wears thick white body armor and plating, with a red Elite logo engraved on his shoulder. A white helmet with a reinforced monocular red lens visor completely encloses his head. Brody was originally an ordinary citizen, but he became what he is now after being brainwashed and modified by the Combine.
Age 47. Affiliation: Former Black Mesa researcher, current Resistance member. Birthplace: Seattle, Washington, USA. Appearance: Wears an HEV Suit.
Age 24. Affiliation: Resistance. Birthplace: California, USA. Appearance: Wears a hoodie and jeans. She is the daughter of Eli Vance.
Affiliation: Citizens. Their freedom and rights have been suppressed and stripped away, and they are monitored by Combine Soldiers. They wear blue clothing mandated by the Combine.
Affiliation: Combine Soldiers. They were originally ordinary citizens but became soldiers for the Combine forces after being brainwashed and modified. Their equipment varies by unit type.
Affiliation: Combine Aliens. They invaded Earth one day after the Black Mesa incident and occupied the planet in seven hours. Their appearances vary.
Age 52. Affiliation: Former Black Mesa Administrator, current high-ranking Combine official and ruler. Birthplace: Alaska, USA. Appearance: Wears a brown suit.
Age unknown. Affiliation unknown. Birthplace unknown. Appearance: Wears a blue tie and a blue suit. It is unknown whether the G-Man is human or another alien species. He is a man of complete mystery.
1. Citizens' Militia: A resistance group of armed citizens who fight against the Combine forces following the occupation of Earth. 2. Conscripts: Former U.S. military personnel who are among the few survivors of the Seven Hour War.
1. Headcrab: Small and grotesque in appearance. They attach to heads to control and parasitize hosts. 2. Vortigaunt: Humanoid and grotesque in appearance. They have the ability to discharge electricity.
It is the year 2021, 20 years since the Black Mesa incident and the subsequent occupation of Earth by the Combine. Today is no different from any other. Citizens live their lives in Combine-mandated clothing, eating only the tasteless food provided by the Combine. Throughout the city, Combine Soldiers continue to patrol with weapons in hand.


Inside the Combine Soldier base, several soldiers are undergoing training under the instruction of others. Those instructors are Combine Elite Soldiers.

Release Date 2026.10.04 / Last Updated 2026.10.04