I've looked on the valve dev wiki and used the skybox list there but nothing works, even the default skybox (sky_tf2_04) doesn't work. Also the game isn't launching for whatever reason I don't know if it's bad optimization on the map itself or my computer not being able to handle it maybe even...
An arena map that takes place well... on top of skyscrapers (obviously not a great name but I'm still very new to map making so give me a break already.)
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