Ever wanted to climb the wall in a Doom pwad? Well you have to do in this one to get the 'protective clothing', also, watch out for the window illusion, now you see it, now you don't.
My sequel to Secure Uranus for Doom (CIS Downloads 1800+)
Credits:
The creators of DOOM and DEEP Tester's Matt Walker (US) - Paul Rowan (Uk)