Steep Hill
  Zorb
  An Interactive Fiction
  Release 1 / Serial number 150512 / Inform 7 build 6M22 (I6/v6.33 lib 6/12N) SD
  
  Steep Hill
  The Zorb is here.
  
  You can also see a flat rock here.
  
> >   Steep Hill
  (Testing.)
  
  >[1] d
  
  Valley
  The Zorb rolls ponderously but inevitably into the vicinity.
  
  >[2] push zorb up
  Lucy whoops delightedly as she rides along in the Zorb.
  
  Steep Hill
  You can see a flat rock here.
  
  >[3] look
  Steep Hill
  The Zorb rests here, kept from further rolling by your support.
  
  You can also see a flat rock here.
  
  >[4] push zorb up
  Lucy whoops delightedly as she rides along in the Zorb.
  
  Crest
  
  >[5] wave
  You let go of the Zorb.
  
  You wave.
  
  The Zorb succumbs to gravity and rolls down toward the Steep Hill.
  
  >[6] d
  
  Steep Hill
  The Zorb is here.
  
  You can also see a flat rock here.
  
  The Zorb succumbs to gravity and rolls down toward the Valley.
  
  >[7] d
  
  Valley
  The Zorb is here.
  
  >[8] push zorb up
  Lucy whoops delightedly as she rides along in the Zorb.
  
  Steep Hill
  You can see a flat rock here.
  
  >[9] release zorb
  You let go of the Zorb.
  
  The Zorb succumbs to gravity and rolls down toward the Valley.
  
  >[10] d
  
  Valley
  The Zorb is here.
  
  >[11] push zorb up
  Lucy whoops delightedly as she rides along in the Zorb.
  
  Steep Hill
  You can see a flat rock here.
  
  >[12] touch rock
  You feel nothing unexpected.
  
  The Zorb succumbs to gravity and rolls down toward the Valley.
  
  >[13] push the flat rock south
  The flat rock is not amenable to being pushed from place to place.
  
> >