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Left 2 Test

Enjoy and please rate fairly.
This is my first map, back when I had just begun to understand how Hammer works. I am unable to update it, because it's very clumsily made, so since I can't change it, it shall stand as a reminder to which I can look back at with emberassment.

Story:
You are [???], one of the subjects who survived after the events of Portal. You are forced to navigate the abandoned facilites in an attempt to escape.

Here are the FAQ:

1) How did you make this?
I used the Portal 2 Authorizing tools Hammer editor. You can download it for yourself if you have bought Portal 2, it is located under Library/Tools
2) How long did it take you to make it?
About 3-4 months. It is the product of my procrastination.
3) What is the difficulty?
Medium.
4) Will there be more maps like this?
There already is: http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=275550394

Special thanks to Jwing01 for play-testing.

Songs used: in-game music and Harry101uk "This is Aperture".
You can find him here: http://www.youtube.com/user/Harry101UK

Known bugs/glitches:
-None at the moment.