配置要求
操作系统：Windows XP, Vista, or 7
硬盘空间：6.9 GB of free hard drive space (not including *free* Source Sdk Base 2007, installed seperately)
最低配置要求: Pentium 4 3.0 GHz or AMD Processor, 1 GB RAM, Shader model 2.0, ATI 9600, NVidia 6600 or better, DirectX 8.1 compatible sound
推荐配置要求: Intel core 2 duo 2.4GHz or AMD Processor, 1 GB RAM, Shader model 3.0, NVidia 7600, ATI X1600 or better, DirectX 9.0c compatible sound
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