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!
Browsing: Collections
Containing item: "Magrathea"
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Showing 1-3 of 3 entries
My Single Player Favorites
Collection by wildgoosespeeder
Original Location of My Favorites These maps are so good,
Panda's Maps
Collection by InvisiblePanda
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Singleplayer
Collection by AKM.Zerg_TheShootingStar
我的存货 - - - - Singleplayer
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