Serious Sam 3: BFE (Before the First Encounter) is a first-person shooter video game and involves fighting against many hordes of enemies in wide-open environments.

Steam is a digital distribution, digital rights management, multiplayer and communications platform developed by Valve Corporation. It is used to distribute games and related media online, from small independent developers to larger software houses; Valve expanded the service to include non-gaming software. Steam provides the user with installation and automatic management of software across multiple computers, community features such a...

Half-Life 2: Episode One is a first-person shooter video game, the first in a series of episodes that serve as the sequel for Half-Life 2. It was developed by Valve Corporation. The game's events take place immediately after those in Half-Life 2, in and around war-torn City 17. Episode One follows scientist Gordon Freeman and his companion Alyx Vance as they fight in humanity's continuing struggle against the transhuman race known as th...

Left 4 Dead 2 is a cooperative first-person shooter video game and the sequel to Valve Corporation's award-winning Left 4 Dead. It builds upon the 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...

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