Portal 2
 
Community maps. For science.
Welcome to Aperture Laboratories, home of the Perpetual Testing Initiative. Easily create, share and play test chambers authored by and for the Portal 2 community. Do your part! Contribute to Science!
Containing item: "The Rollercoaster."
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GWJ Test Chambers
Collection by: Mantid
Brain twisting puzzles created by Gamers With Jobs. http://www.gamerswithjobs.com/
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