There are a few reasons this map should be removed. It leaks out into space; has poorly designed rooms not built with zombie defense in mind; has so few viable rooms that every round either ends in 20 seconds as everyone is killed in one area, or else results in a hide and seek type match; and isn't really played that often because nobody likes it.
Space Leakage:
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The majority of rooms require twice as many humans as zombies to defend:
Room 1: Quad-wide window for zombies to come in:
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Room 2: 4 entrances with few props (not to mention bad editing). What's on top of the ladder?
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Easy access:
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Room 3: Quad-wide window, hallway, and ladder entrances with barely any props and, as always, no bookshelves:
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The only viable spots (and their problems):
Aside from holding tubes where you can maybe fit two people (one for each end), there are about 3 spots that are viable to defend. The first is illegal because of the heavy shelves:
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The second is the secret disco room, which is a reasonable room for defending. Sometimes it holds, sometimes it fails:
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The third is the double-wide, double-ended crawl area. This is where 80%+ of players go, every single round. It easily accommodates 20 people at each entrance:
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Very poor editing:
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The table spawns this way.
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The problems in this map are numerous: I've only included examples of a few types of problems, which repeat around the map. If you want to run the map yourself and take a look, just remember the entrance to the secret area is the first teleport on the left.