LambdaGeneration
GoldSrc only allows one skybox at a time, so when it was needed for OPfor they did one half one regular sky and the other xen depending on where you were facing.  The upmost part you cannot see is this nifty easter egg

GoldSrc only allows one skybox at a time, so when it was needed for OPfor they did one half one regular sky and the other xen depending on where you were facing. The upmost part you cannot see is this nifty easter egg

duskless
duskless
Sep 21

Definitely a Gearbox product.