What is this, you just landed your space craft and was about to relax when every thing goes black. You wake up in an empty building and a bruised ego. You have to get back to your ship, only problem, is that you don't know where that is. So you pick yourself up and find you still have a pistle on you, but that is it. Only the gods know what lays in wait for you outside the door.
New level from scratch
About 20 hours
DMapEdit v4.0.14 (beta) - A map editor for Doom! by Copyright (C) 1994 Jason Hoffoss