:
: This is a very odd set of images. They must have had water risen in those
: polygons at some point in the mapping process to get that screen of the
: room flooding, right? And what's that room in the bottom right corner?
: Kinda looks like one of Thoth's power rooms in Kill Your Television, but
: smaller.
Good points. Also interesting that the map at bottom left does not show those inaccessible areas!
The bottom right picture is just the point at the map that the arrows suggest. Perhaps at some point this was part of the level story but was too hard to implement?