Alien Swarm on Steam - Welcome to Steam

Minimum: OS: Windows® 7 / Vista / Vista64 / XP Processor: Pentium 4 3.0GHz Memory: 1 GB for XP / 2GB for Vista Graphics: DirectX 9 compatible video card with 128 MB, Shader model 2.0. ATI X800, NVidia 6600 or better Hard Drive: At least 2.5 GB of free ...

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