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Some other problems:

  1. As with other maps people can get behind the death wall.
  2. Demo's can miss like half the map. Charge up the bridge, charge up the long jump and strafe round the corner.
  3. Last trap doesn't work, pushes people to edge but not off the edge
 
that demo shows that people can rocketjump up a wall and get to the end incredibly fast.
that is not how the map is suppose to let you get to the end. it spoils the fun for others since people end it too fast.
demomen can stickyjump up there too but they can't survive the fall back down at the end unless a medic w/ a crossbow heals them

my ideas for replacements are:
dr_sawmill and dr_horrors are by the same guy, and dr_Block is a first map that got support from the creator of dr_office