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: "Filter - Part 2"
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New Concepts
Collection by: cyron43
New game concepts like gravity vectoring, non-euklidian design and the like.
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