Half-Life 2 is a first person shooter video game released in 2004 and was named Metacritic's PC Game of the Year. The player takes control of Gordon Freeman, a research scientist who must save Earth from alien forces that were unleashed during an incident at Black Mesa. In this immersive world, the player's presence has an effect on their environment as well as the behavior and emotions of enemies and allies alike. With exciting suspenseful gameplay and stunning realism, Half-Life 2 offers an unforgettable experience to all players as they strive to rescue humanity from its impending doom.

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.

Half-Life 2: Episode One is an all-new episode created by Valve that continues the Half-Life 2 single player adventure. Players take on the role of Dr. Gordon Freeman, who must face the consequences of his actions in City 17 and the Citadel. Along with Alyx Vance and her robot Dog, players join forces with the resistance to battle against Combine forces. Through this thrilling adventure, players will experience a gripping story line filled with intense action and immersive environments.