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: "A whole new concept"
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Medium difficulty maps with great design
Collection by: cyron43
This collection fills the gap between my "easy, entertaining and relaxing" collection and my "Design award" collection.
Per page: 9 18 30