Testing Track Made Entirely of Turrets: The Wing that was Entirely Made of Turrets There are a lot of turrets. You get to explode them. What more needs to be said? NB: There is a bug in Portal 2, where sometimes the entry elevator will not work, and you wi...

There are many turrets. You get to kill all of them. NB: There is a bug in Portal 2, where sometimes the entry elevator will not work, and you will be stuck. To fix this reload the map....

Just some small platforms with nothing else around. Don't fall down. NB: There is a bug in Portal 2, where sometimes the entry elevator will not work, and you will be stuck. To fix this reload the map....

Some platforms deep in apertures depths. Don't fall down. NB: There is a bug in Portal 2, where sometimes the entry elevator will not work, and you will be stuck. To fix this reload the map....

Aperture Science is proud to announce that we have developed a new method of incentivisation for test subjects to not destroy the cubes. NB: There is a bug in Portal 2, where sometimes the entry elevator will not work, and you will be stuck. To fix this re...

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