Lights.rad
		
		
		
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lights.rad is a RAD file which is always automatically read by the lighting compilers. 
- For an incomplete list of vanilla lights.rad files, see Category:RAD.
 - For documentation on how to create and use a lights.rad file, see RAD file.
 
Default lights.rad files are normally included with 
 Source games, but not 
 GoldSrc games.
Some games, such as 
 Half-Life 2: Deathmatch and 
 Source SDK Base 2013 - Multiplayer, relied upon base 
 Half-Life 2's lights.rad, and no longer have a default lights.rad as of the SteamPipe update, as their new standalone ![]()
hl2 folder does not contain a lights.rad.