Half-Life 2: Episode Two is the second installment in Valve's award-winning Half-Life trilogy. Players take on the role of Dr. Gordon Freeman as he travels with Alyx Vance to deliver a crucial information packet stolen from the Citadel to an enclave of resistance scientists. Along the way, they must battle and race against Combine forces while navigating White Forest. The game offers unique weapons, vehicles, and creatures that extend the gameplay found in its predecessor.