Portal 2

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!
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Containing item: "CO-OP "Secret Laboratory #3" (BETA)"
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CO-OP maps. Play enjoying.
Collection by Mr.Decoy
The small subject line in a mode cooperative
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