001 Flat Rocky Plain
002 Walkway Junction
003 Walkway to Mars      S to death!
004 Bureau de Change     ANDROID, GROAT
005 Foot of Milky Way    UP to (007)
006 Lost Among the Stars
007 Halfway up Milky Way UP to (008), DOWN to (005)
008 Top of Milky Way     DOWN to (007), N to death!
009 Junctions on Plain
010 End of North Walkway
011 Floating Platform
012 Inside Star Ship
013 Swimming Pool        EMERALD
014 Control Room
015 Sleep Room           MATTRESS, ROCKET
016 Edge of Crater       DOWN (1-way) to (017)
017 Inside Crater        UP (1-way) to (023)
018 Habidome
019 Long Room            GUARDS
020 Alcove Room          LIGHT SABRE
021 Cubicle
022 Room with no Roof    PHIAL, "fire rocket" to (023)
023 Sports Arena         IN to (026)
024 Fencing Hall         CYBERMAN
025 Robot Repair Shop    SCREWDRIVER
026 Tropical Pool        DOWN to (027), OUT to (023)
027 Dark Dingy Hole      RUBY, UP to (026), DOWN (1-way) to (028)
028 Clock
*****

                015
                 |
       |         |
      008  013--012--014
     / |         |
    /  |         |
 006--007       011
    \  |         |
     \ |         |
      005       010            024--025
       |         |              |
       |         |              |
 004--002--001--009--016       023--026
       |                \            |
       |                     /       |
      003            018--017       027
       |                   |         |
                           |
                     (*)  019--020  028
                      |    |
                      |    |
                     022--021
*****