Entropy: Zero

Experience a time before the fall of City 17 - 11 months before the deployment of Gordon Freeman. Bring the brutality and chaos of the Combine regime to the hidden rebel sanctuary of City 10. Endure the bitter cold as you fight your way through rebel shanties, infested tunnels and subway systems. Survive the Combine plague, and reclaim the Combine stronghold known as ‘Pillar 10’.