Garry's Mod - List of Skies

These skyboxes are available to Garry's Mod and mods utilizing its content. Garry's Mod contains also all Half-Life 2 skyboxes. As of the July 2025 update, Garry's Mod also contains all Half-Life 2: Episode One skyboxes, all Half-Life 2: Episode Two skyboxes, and all Counter-Strike: Source skyboxes.

These skies are HDR capable.

Note: To get painted skybox to work, you need env_skypaint entity.

Note: Painted is a template sky, it can use any texture.

painted (On image default look)

Example Map	Ideal Sun Angle	Ideal Sun Pitch	Ideal Brightness	Ideal Ambience	Ideal HDR Brightness (Scale)	Ideal HDR Ambience (Scale)	Ideal Sun Spread Angle
gm_construct	0 306 0	-56	242 234 218 560	114 136 148 420	-1 -1 -1 300 (0.8)	-1 -1 -1 900 (1.1)	6
gm_flatgrass	0 242 0	-60	248 244 237 250	190 209 216 150	248 244 237 250 (1)	190 209 216 150 (1)	5

See also