text: [Themes: Science Fiction, artificial intelligence, caves, science fiction]
  
  > describe your surroundings
  You are near the eastern end of a long, damp cavern. Much of the floor of the cavern is covered by a pool of dark, still, brackish water. A passage leads southwest.
  
  > go southwest
  The passage divides in three directions here: west, northeast, and southeast.
  
  > go west
  You stand in a dry, circular cavern that forms a junction between three passages. The passages to the north and east are wide and tall. A crawl tunnel leads west.
  
  > Go west
  You are crawling through a very low, uneven passage that runs from east to southwest. It is fortunate that you do not need to breathe, because there is no space for breathing here.
  
  > go southwest
  You're on the eastern edge of a large cave. The rocky ceiling is low here, and underneath its lowest point, a crawl tunnel leads northeast. A narrow passage leads southeast and the cave widens to the west.
  
  > go west
  You're in the southwest corner of a large cave. The walls of this cave are part natural limestone, and part slimy concrete, covered in decades of algae growth. To the west, you see the back entrance of the bunker, which is a wide door set into a concrete wall. The wall stretches north; the cave expands to the north and east.
  
  > go north
  You're in the middle of a large cave which runs northeast and south, standing near the corner of the concrete wall of the bunker, which is to the southwest. A wide chasm spans the cave here, preventing passage to the north. The chasm was once spanned by a footbridge, but it collapsed years ago, and only a few rusted girders remain. A narrow conduit, bolted to the western cave wall, runs from the bunker to a cabinet on the other side of the chasm.
  
  > look at conduit
  The conduit is a rectangular plastic pipe, a few inches in diameter, and it's bolted to the western cave wall. It seems to be filled with wires which run from the bunker wall to the cabinet.
  
  > examine the bunker wall
  It is the outer wall of the bunker. It is as tall as the cave and made entirely of reinforced concrete, stained a slimy green colour by decades of damp and algae growth.
  
  > examine the bridge
  All that remains of the footbridge are a few rusted girders on each side of the chasm. Over decades, the moisture in these caverns must have eroded the bridge, until it broke under its own weight and disappeared into the darkness.
  
  > look at the chasm
  A wide and deep chasm. You can't see the bottom.
  
  > go southeast
  You're standing on a rocky outcrop on the north side of an underground lake. The lake is bridged by a large metal pipe, which crosses the water to a small muddy beach on the far side. You hear a waterfall to the west. A passage leads northwest.
  
  > examine the pipe
  The pipe is made from rusty iron, and is around eight inches in diameter. It looks like a waste pipe. It spans the lake, and seems to be strong enough to use as a bridge.
  
  > Go south
  You start to cross the lake by walking along the pipe, but you struggle to balance because of the weight and bulk of the satellite uplink kit. If you want to cross, you'll either have to drop that, or drop almost everything else.
  
  > go south
  You cautiously cross the lake by walking along the pipe...
  
  You stand on a muddy beach on the south side of an underground lake. The lake occupies almost all of the cave, leaving only this beach and a path to the west. The lake is bridged by a pipe here - it comes from a passage to the east, and then runs across the lake to the north. The cave is filled with the sound of a waterfall.
  
  > look at the mud
  The ground here is muddy, wet clay.
  
  > go west
  You're standing on some slippery rocks to the south of a waterfall. An underground river emerges from high on the western wall here, forming a magnificent waterfall, then flowing away to the east.
  
  > examine the waterfall
  The water emerges from the western wall.
  
  > examine the river
  Which do you mean, the underground lake or the waterfall?
  
  > examine the lake
  The water foams at the base of the waterfall.
  
  > Exits
  The only exit leads east to the Lake Beach.
  
  > Go east
  You stand on a muddy beach on the south side of an underground lake. The lake occupies almost all of the cave, leaving only this beach and a path to the west. The lake is bridged by a pipe here - it comes from a passage to the east, and then runs across the lake to the north. The cave is filled with the sound of a waterfall.
  
  > go north
  You cautiously cross the lake by walking along the pipe...
  
  You're standing on a rocky outcrop on the north side of an underground lake. The lake is bridged by a large metal pipe, which crosses the water to a small muddy beach on the far side. You hear a waterfall to the west. A passage leads northwest.
  
  You can see a satellite uplink kit here.
  
  > look up
  The walls and roof of the cave are formed from limestone.
  
  > go west
  This is a cold and dirty room with concrete walls and an oily floor. There are no windows - the room is deep underground - and the only light comes from aged, flickering fluorescent tubes. There's another room to the south and a doorway to the west. Much of the eastern wall is taken up by a blast door (which is open).
  
  Network Socket WS3 is on the south wall. A cable is plugged into Socket WS3. The rest of the cable forms a coil on the floor.
  
  Network Socket WS2 is on the north wall. The socket is not in use.
  
  There are two charging stations on the north side of the room, each large enough to accommodate your robotic body.
  
  You can also see a workbench here.
  
  > check what you're carrying
  You are carrying:
  a single-length network cable
  a satellite uplink kit
  a plastic float
  an instruction book
  a cable joining tool
  a toolbag (which is open but empty)
  a screwdriver
  a black box
  
  > join the cable
  The cables are joined, creating six coiled lengths.
  
  > check your inventory
  You are carrying:
  a sextuple-length network cable (plugged into Socket WS3)
  a satellite uplink kit
  a plastic float
  an instruction book
  a cable joining tool
  a toolbag (which is open but empty)
  a screwdriver
  a black box
  
  > go northeast
  As you step into the portal, you take on physical form. You now find yourself standing in the outside world, in the metallic form of a maintenance robot...
  
  This is a cold and dirty room with concrete walls and an oily floor. There are no windows - the room is deep underground - and the only light comes from aged, flickering fluorescent tubes. There's another room to the south and a doorway to the west. Much of the eastern wall is taken up by a blast door (which is open).
  
  Network Socket WS3 is on the south wall. A cable is plugged into Socket WS3. The rest of the cable forms a coil on the floor.
  
  Network Socket WS2 is on the north wall. The socket is not in use.
  
  There are two charging stations on the north side of the room, each large enough to accommodate your robotic body.
  
  You can also see a workbench here.
  
  > Go west
  This dingy concrete room is filled with racks of batteries, providing backup power for the facility. There are doorways to the north, east and west.
  
  Network Socket WS4 is on the south wall. The socket is not in use.
  
  > Go west
  This room was once an office. Some ancient desks and chairs are cluttered into a corner, and you can see a faded calendar on the wall beside a dusty portrait. There's a doorway to the east and a blast door to the south.
  
  You can see some old desks and chairs here.
  
  > examine the door
  A very heavy metal door, set in the south wall. It is closed. A number has been scratched onto the door: 303738162.
  
  > open the door
  The blast door is firmly closed. It can only be opened electronically. The controls must be elsewhere.
  
  > plug the cable into the box
  (first taking the sextuple-length network cable)
  The sextuple-length network cable is now plugged into the black box. The connection is established, and your robotic form shuts down...
  
  The maintenance room is a round room with a low ceiling. The walls are made of shiny brushed metal, giving an impression of 1970s science fiction. Doors lead west and southeast. You see a warning sign on the western door.
  
  There is a console in the centre of the room.
  
  A portal occupies most of the northeast wall.
  
  > look at the console
  The console is on a pedestal in the centre of the room. There is a display and a keyboard. The display shows a message:
  
  'Dear candidate 28199,
  
  It's worse than I thought. We have no external communications at
  all; everything is infected. I need you to make a new connection via a satellite uplink.
  
  Our enemy has discovered the location of our data centre, and will soon attempt to break in. We must act quickly. You will need to run a cable from socket WS3 to some place where the sky is visible. Set up a satellite uplink unit there, and connect it to the cable. Due to the distance, you will need to join more network cables - probably as many as you can find. Look in the Network Room first. There will be more in other places.
  
  You will have to explore the caves.
  
  One more thing. Be careful with the other network sockets. Some of them are flooded by the virus. If you connect them wrongly, it won't damage the Administration, but it might prevent you returning here.
  
  Good luck...
  
  Yours,
  Central Administrator.'
  
  > enter the portal
  As you step into the portal, you take on physical form. You now find yourself standing in the outside world, in the metallic form of a maintenance robot...
  
  This is a cold and dirty room with concrete walls and an oily floor. There are no windows - the room is deep underground - and the only light comes from aged, flickering fluorescent tubes. There's another room to the south and a doorway to the west. Much of the eastern wall is taken up by a blast door (which is open).
  
  Network Socket WS3 is on the south wall. A cable is plugged into Socket WS3. The rest of the cable is in your hand.
  
  Network Socket WS2 is on the north wall. The socket is not in use.
  
  There are two charging stations on the north side of the room, each large enough to accommodate your robotic body.
  
  You can also see a workbench here.
  
  > Go north
  (laying the trailing network cable as you go)
  
  You're in the middle of a large cave which runs northeast and south, standing near the corner of the concrete wall of the bunker, which is to the southwest. A wide chasm spans the cave here, preventing passage to the north. The chasm was once spanned by a footbridge, but it collapsed years ago, and only a few rusted girders remain. A narrow conduit, bolted to the western cave wall, runs from the bunker to a cabinet on the other side of the chasm.
  
  You are holding a trailing network cable. The cable runs south from here.
  
  > throw the cable north
  The cable lands on the other side of the chasm.
  
  > go east
  You can't go that way. Exits lead:
  southeast to the Low Ceiling.
  south to the Back Entrance.
  
  > Go north
  The bridge is gone: you will have to find another way around the chasm.
  
  > go south
  (keeping hold of the trailing network cable)
  
  You're in the southwest corner of a large cave. The walls of this cave are part natural limestone, and part slimy concrete, covered in decades of algae growth. To the west, you see the back entrance of the bunker, which is a wide door set into a concrete wall. The wall stretches north; the cave expands to the north and east.
  
  You are holding a trailing network cable. The cable runs north and west from here.
  
  > Go west
  You're in the north end of a large cave, standing beside a chasm which blocks passage to the south. The chasm was once spanned by a footbridge, but it collapsed years ago. On the other side of the chasm, you see the wall of the bunker. Passages lead east and northwest.
  
  There is a cabinet here. A narrow conduit runs from the cabinet to the bunker on the other side of the chasm.
  
  Network Socket Z5 is inside the cabinet. The socket is not in use.
  
  A network cable crosses the chasm: it runs south from here.
  
  > Go east
  (letting go of the trailing network cable as it is still plugged into Socket Z5)
  
  You are at the western end of a long, damp cavern that stretches east. A wide tunnel leads south, and a passage leads west.
  
  > Go west
  You're in the southwest corner of a large cave. The walls of this cave are part natural limestone, and part slimy concrete, covered in decades of algae growth. To the west, you see the back entrance of the bunker, which is a wide door set into a concrete wall. The wall stretches north; the cave expands to the north and east.
  
  You can see a trailing network cable here. The cable runs north and west from here.
  
  > go to the west
  This is a cold and dirty room with concrete walls and an oily floor. There are no windows - the room is deep underground - and the only light comes from aged, flickering fluorescent tubes. There's another room to the south and a doorway to the west. Much of the eastern wall is taken up by a blast door (which is open).
  
  Network Socket WS3 is on the south wall. A cable is plugged into Socket WS3. The cable runs east.
  
  Network Socket WS2 is on the north wall. The socket is not in use.
  
  There are two charging stations on the north side of the room, each large enough to accommodate your robotic body.
  
  You can also see a satellite uplink kit and a workbench here.
  
  > go to the north
  As you step into the charging station, your robotic form shuts down...
  
  The maintenance room is a round room with a low ceiling. The walls are made of shiny brushed metal, giving an impression of 1970s science fiction. Doors lead west and southeast. You see a warning sign on the western door.
  
  There is a console in the centre of the room. The console's display is filled with line noise, and a red light is flashing.
  
  A portal occupies most of the northeast wall.
  
  > look at the console
  The console is on a pedestal in the centre of the room. There is a display and a keyboard. The display is filled with random characters and weird flashing colours.
  
  > look at the red light
  It's on the console beside the display. The light is marked 'Network Flood'. The light is flashing.
  
  > enter the portal
  As you step into the portal, you take on physical form. You now find yourself standing in the outside world, in the metallic form of a maintenance robot...
  
  This is a cold and dirty room with concrete walls and an oily floor. There are no windows - the room is deep underground - and the only light comes from aged, flickering fluorescent tubes. There's another room to the south and a doorway to the west. Much of the eastern wall is taken up by a blast door (which is open).
  
  Network Socket WS3 is on the south wall. A cable is plugged into Socket WS3. The cable runs east.
  
  Network Socket WS2 is on the north wall. The socket is not in use.
  
  There are two charging stations on the north side of the room, each large enough to accommodate your robotic body.
  
  You can also see a satellite uplink kit and a workbench here.
  
  > go north
  As you step into the charging station, your robotic form shuts down...
  
  The maintenance room is a round room with a low ceiling. The walls are made of shiny brushed metal, giving an impression of 1970s science fiction. Doors lead west and southeast. You see a warning sign on the western door.
  
  There is a console in the centre of the room.
  
  A portal occupies most of the northeast wall.
  
  > look at the console
  The console is on a pedestal in the centre of the room. There is a display and a keyboard. The display shows a message:
  
  'Dear candidate 28199,
  
  It's worse than I thought. We have no external communications at
  all; everything is infected. I need you to make a new connection via a satellite uplink.
  
  Our enemy has discovered the location of our data centre, and will soon attempt to break in. We must act quickly. You will need to run a cable from socket WS3 to some place where the sky is visible. Set up a satellite uplink unit there, and connect it to the cable. Due to the distance, you will need to join more network cables - probably as many as you can find. Look in the Network Room first. There will be more in other places.
  
  You will have to explore the caves.
  
  One more thing. Be careful with the other network sockets. Some of them are flooded by the virus. If you connect them wrongly, it won't damage the Administration, but it might prevent you returning here.
  
  Good luck...
  
  Yours,
  Central Administrator.'
  
  > go southwest
  There is no space to turn around: the only way is east.
  
  > Go southeast
  You can't go that way. Exits lead:
  east to the Dry Cave.
  southwest to the Low Ceiling.
  
  > put the float in the river
  The float is sucked under the water by a powerful current.
  
  > go to the west
  You're standing on some slippery rocks to the south of a waterfall. An underground river emerges from high on the western wall here, forming a magnificent waterfall, then flowing away to the east.
  
  On the underground lake is a plastic float.
  
  > Exits
  Exits lead:
  north to the Lakeside View.
  east to the Ladder Bottom.
  west to the Waterfall.
  
  > go east
  You are in a tall, round cave, like the bottom of a well. A pipe runs from the passage to the west and through an iron grating to the east. A ladder leads upwards to a manhole cover.
  
  > examine the grating
  The grating is old, but very solid, and it completely blocks all passage to the east. Only the pipe passes through it.
  
  > examine the pipe
  The pipe is made from rusty iron, and is around eight inches in diameter. It looks like a waste pipe. It runs from the tunnel to the west and passes through a heavy iron grating to the east.
  
  > look at Ladder
  The ladder is bolted to the wall of the cave and leads upwards.
  
  > examine cover
  The manhole cover is at the top of the ladder.
  
  > open the cover
  You open the manhole cover.
  
  > go upwards
  You're standing in the ruins of a farmhouse. The roof is gone, and some of the walls have collapsed. Thick brambles surround the ruin, blocking passage in all directions. It is early morning, and the remains of the building look beautiful in the dawn light. The air is filled with birdsong. A manhole leads down into the caves.
  
  > look at the brambles
  They are wild, prickly and tangled shrubs. They surround the farmhouse and block passage in all directions.