Left 4 Dead 2: The Sacrifice . . . Release Date : 5 October 2010
Left 4 Dead 2: The Sacrifice
Left 4 Dead 2: The Sacrifice 
Left 4 Dead 2: The Sacrifice
Left 4 Dead 2: The SacrificeSystem Requirements :
OS : Windows XP/Vista/7
Processor : Intel Pentium 4 @ 3.0 GHz / AMD Athlon 64 3200+
Memory : 1 GB
Hard Drive Space : 7.5 GB
Video Memory : 128 MB
Supported Video Card : nVidia GeForce 6600 / ATI Radeon X1300
Sound Card : DirectX Compatible
Others : DirectX 9..0 c , DVD Rom Drive, Keyboard, Mouse
