OVERALL:
-initial artpass
-optimization
A:
-adjusted lots of geometry for artpass
-added some new routes due to piles of coal
-removed basement route under stairs because it was redundant
B:
-removed a bit of fence to make low ground flank more relevant to pushing cart through first choke
-made window openings taller, wider, and removed mullions for ease of movement
C:
-no changes
D:
-made pool do damage throughout entire volume
-payload explosion hurts you now