Half-Life Sky List

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These skyboxes are available to Half-Life and all games and mods using the GoldSource Engine.

Note:Some maps have multiple light_environment entities. If so, every light setting will be listed.

The table below explains the prefixes used in map filenames.

Prefix	Location
c0	Morning 1 of Half-Life.
c1	Day 1 of Half-Life.
c2	Night 1 and day 2 of Half-Life.
c3	End of day 2 of Half-Life.
c4	Xen.
c5	End game.

2desert
Example Map	Ideal Sun Angle	Ideal Sun Pitch	Ideal Brightness
bounce	243	-45	250 210 110 165
c0a0a	180	-45	250 109 41 5000
c0a0b	180 141	-45 -30	250 109 41 1300
			250 210 110 150
c2a3d	205	-12	192 73 52 400
alien1
c4a1b	180	-15	70 150 120 90
alien2
alien3
black
city
cliff
desert
boot_camp	0	-75	245 200 130 200
c2a4e	90	-80	27 17 13 1200
c2a4f	0	-80	27 17 13 1500
c2a4g	45	-50	60 55 35 300
dusk
c1a3b c1a3c	0	-45	179 158 211 80
morning
c2a4	331	-50	250 210 110 100
neb1
neb2b
neb6
neb7
night
c2a2g c2a2h	355	-70	150 200 250 5
space
xen8
xen9
xen10