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The first DLC for Left 4 Dead 2. Entitled "The Passing," players will control the new Survivors as they meet up with three of the original Survivors from Left 4 Dead in a campaign that takes place between Dead Center and Dark Carnival. A new firearm, the M60, and a new melee weapon, the Golf Club, appeared, along with a new "Uncommon Infected," the Fallen Survivor. New Survival, Versus, and Scavenge maps were made available. It was released April 22, 2010.
Left 4 Dead 2 is a cooperative first-person shooter video game, the sequel to Valve Corporation's Left 4 Dead. The Game builds upon cooperatively focused gameplay and Valve's proprietary Source engine, the same game engine used in the original Left 4 Dead. Set during the aftermath of an apocalyptic pandemic, Left 4 Dead 2 focuses on four new Survivors, fighting against hordes of the Infected, who develop severe psychosis and exhibit zombie-like tendencies. The Survivors must fight their way through five campaigns, interspersed with safe houses that act as checkpoints, with the goal of escape at each campaign's finale.
Left 4 Dead is a cooperative first-person shooter set during a zombie outbreak on the East Coast of the United States. Four players control survivors who must fight through hordes of infected humans, creatures transformed by a rabies-like pathogen that causes extreme aggression and loss of higher brain function. Gameplay emphasizes teamwork, with colored outlines showing teammate positions through walls, shared healing items, and friendly fire creating consequences for careless shooting. An AI system called the Director dynamically adjusts enemy placement, item spawns, and pacing based on player performance. Beyond common infected, players face five special mutated types with unique abilities. Campaigns are divided into levels connected by safe houses, each culminating in a desperate last stand for rescue.
Counter-Strike: Source is a team-based tactical first-person shooter and a remake of the original Counter-Strike built on Valve's Source engine. A team of Counter-Terrorists faces a team of Terrorists across a series of rounds, each won by completing an objective such as defusing a bomb or rescuing hostages, or by eliminating the opposing team. Eliminated players do not respawn until the next round, and moving while firing reduces accuracy, encouraging careful positioning. The Source engine added interactive physics objects, ragdoll effects, and higher-detail environments, and the game was later succeeded by Counter-Strike: Global Offensive.