#ShiftingTheBar
The entire facility runs (well, ran, because we were 100% the reason why BlackOps planted a nuclear bomb later) on infinite clones of Calhoun
Fairly obscure Half-Life beta fact: german censorship would replace red-colored blood with black-colored, like oil.
first 3 screenshots were taken in same german build, comparing it with Dank&Scud shows that it's not gamma/lighting making decals darken than they should be.