The team worked for Valve on Left 4 Dead and Portal 2, while developing Alien Swarm simultaneously. Industrious fellow aren’t they? Alien Swarm is a top-down 4-player co-op shooter, and it will ...
Valve has announced a new, free game for PC gamers -- Alien Swarm -- which will be released on July 19 through Steam. Alien Swarm is described as a "game and Source SDK release from a group of ...
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