Well now that you put it that way
3. The spider part was kind of bad. A sensible player would retreat when they see the spider. Problem is, the spider can't open the door or walk through it. It can also damage the player through the door. I ended up dieing at least 4 times before I shot it through the wall.
4. When I looked out the reception door window, I saw only a skybox. Maybe a faked cave in or a road on the other side of the door?
With these isolated expiriments, we are not only expanding our knowledge on time, we are starting to harness it's potential. Head Reasercher before Expiriment No 52