Left 4 Dead 2 [1link]

requerimientos
• Supported 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 7.5 GB of free space
• Sound Card: DirectX 9.0c compatible sound card

peso 8 GB

descargar: L4D 2 un link