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Left 4 Dead Mercy Hospital Pre-Infection

I thought it would be funny to hide these maps to see how people would react. It was funny. Anyway now they're back.

Mercy Hospital from the Left 4 Dead campaign "No Mercy". It includes the interior plus a very sloppily pasted on top rooftop map, you have to use noclip to access it though.

Left 4 Dead 2 shouldn't be required for this but don't quote me on that.

To fix white reflections do "mat_specular 0" in the console (thanks to the people in the comments).
To fix the skybox being an error make sure HDR is enabled, they don't work otherwise.

The map is called "gm_mercy_hospital_preinf" in the files.