This map is actually one of my Left4Dead2 survival maps, so its just been ported over from there to here. This version of the map is a lot darker than the Left4Dead2 version (Probably due to the different versions of hammer). There are some props and entity's that I was not able to get working with the SFM version of hammer, such as sprites, a lot particle effects, and a lot of physic props.
The Left 4 Dead content pack is required.
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