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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
Showing 2944-2952 of 10,838 entries
Sort by  Most Popular   Over time period  One Week
Jarda-reditel zemekoule.:CZE:.
Collection by Jarda-ředitel zeměkoule.:CZE:.
Nuke_DEV coder COLLECTION
Collection by ᚾᚢᚴᛞᚢᚴᛒᛚᛁᚴ
Private collection
Velocity
Collection by Shiny!
A testing course based around speed and timing. The chambers aren't all that long or complicated.
Abandoned: Tests
Collection by Jay Keyboard
A collection of tests that glados abandoned.
I miei test - PORTAL2
Collection by GAB
Tutti i miei test di Portal2 qui dentro!
Subject Series
Collection by erre94
My series of maps that are similar in style and difficulty. Several hours of work in each map to make sure they are working properly.
Fun Lab
Collection by reysand
Labs 4 Fun & Reflection
PORTAL 2 MAPS
Collection by Comorito
Alone With The Machines
Collection by k0rnyGaming
Hello Guys ! After all the demands from the players following my cooperative collection of puzzles "YOLO With The Machines" (here : http://steamcommunity.com/sharedfiles/filedetails/?id=459669706), I proudly present you my official single-player collection
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