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gm_highriseapartmentiguess

Yeah, it's an apartment map with cubemaps, HDR, and a neato 3D skybox. Besides the four extra variants, that's just about it.

Also, all the stuff is packed in the map, so you don't need to worry about having CSS or L4D mounted or whatever.

Also, if you're getting error textures on the tile floor, countertops, glass windows or whatever, try typing in buildcubemaps in the console. That should probably fix the cubemaps. If it doesn't, you'll have to disable the specular by typing in mat_specular 0 in the console to get rid of the error reflections.