Category:Regions & Atmospheres
Below is a list of regions and atmospheres, both those within the Half-Life games and those in the real world which would be of interest to modders and level designers.
To easily use the format shown in the pages below, create a new page and use {{subst:Region}}.
Pages in category "Regions & Atmospheres"
The following 44 pages are in this category, out of 44 total.
