Exterior:
    1 / 2 / 3 / 4 / 5 / 6
   Storyboards: 0 / 1 / 2 / 3 / 4 / 5 / 6 / 7

Outside Reception Room:
    Node 1

First Level Catwalk
    Node 1 / 2 / 3 / 4 / 5 / 6

First Level: Records Room
    Node 1 / 2 / 4

First Level: Examination Room
    Node 1 / 2 / 3 / 4 / 5

Basement: Morgue
    Node 1 / 2 / 3 / 5 / 6

20th Level Catwalk
    Node 1 / 2 / 3 / 4 / 5 / 6 / 7

20th Level: Electrode Room
    Node 1 / 2 / 3 / 4

21th Level: Sartorius' Chambers
    Node 1 / 3 / 4 / 5 / 5(beta) / 6 / 7 / 7(beta) / 9 / 9(beta) / B

22th Level: Anatomy Room
    Node 1 / 2 / 3 / 4 / 5

23th Level (Floating Platform): Alchemy Lab
    Node 1 / 2 / 3