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Portal 2

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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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Browsing: Collections
Containing item: "Excessively Horizontal"
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Showing 1-5 of 5 entries
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The Vidya Testing Initiative (ViTI*) Collection
Collection by Wes
A compilation of all the maps posted by (official or honorary) members of The ViTI*. #vidya
ValveTime.net - Staff Picks
Collection by GoshSoWitty
Our favourite maps as chosen by the ValveTime.net Staff. Website: http://www.valvetime.net Steam Group: http://steamproxy.net/groups/valvetime
Valvetime.net Community Collection
Collection by Caoimhe
A collection of all chambers made by http://www.valvetime.net/ users. For the best chambers we have to offer, as chosen by the staff, go here: http://steamproxy.net/workshop/filedetails/?id=71778125
Above Aperture
Collection by wjschneider
New Portal 2 maps
LOTS of Portal 2 maps
Collection by Logue
Per page: 9 18 30