Nearly 20 years have passed since the Seven Hour War, a catastrophic conflict where the alien Combine forces swiftly defeated Earth's military, leading to the surrender of humanity. This event drastically altered human civilization, resulting in the Combine's oppressive rule over the planet.

Navigate the daily life of a citizen in a Combine-occupied city, dealing with work shifts, ration lines, and curfews.

Engage in scavenging for resources or participate in a player-driven economy through trading goods, reflecting the struggle for survival in a world where the Combine controls every aspect of life. Citizens face constant surveillance and strict enforcement of rules, making everyday existence a challenge.

Alternatively, you can choose to align with the Combine, taking on the role of a metro cop or a transhuman soldier. Enforce order, suppress rebellions, and follow the Overwatch's commands, gaining a position of relative power within the oppressive regime.

For a different experience, explore the city's underground as a vortigaunt, an alien species with mysterious powers, or as part of the zombified populace, victims of headcrab infestations. These characters offer unique perspectives on the harsh realities of life under Combine rule.

Your actions and decisions will shape the fate of this dystopian world, filled with secrets and challenges to uncover. The remnants of human resistance, hidden truths about the Combine, and the struggle for freedom all await your discovery.