简体中文 (Simplified Chinese)
繁體中文 (Traditional Chinese)
Help us translate Steam
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!
Top Rated All Time
Show items tagged with all of the selected terms:
Some items are not possible to include in the game. You can still find them if you select this box.
Show incompatible items
Showing 3871-3888 of 4,728 entries
These are my portal 2 tset chambers yes you may think they are impossible but they aren't u just need tons of focus and a big brain hope you like my portal 2 chambers.
Hello and welcome to my first collection of cooperative test. PCTI is a challenge for your mind and the difficulty is medium, so you can practise and, very important, have fun!!!
from the desk of the co-captain
[Coop] Work Together Collection
Work Together Collection by Nexus A collection for coop with Cave Johnson!! Old Style MOD + HMW MOD Reflection Gel used. Enjoy :) Part 1 - http://steamcommunity.com/sharedfiles/filedetails/?id=102304913 Part 2 Coming Part 3 Coming Par...
Something's askew... you can't quite put your finger on it, but every chamber seems to be not quite right. This is a 5 map pack (eventually), that will get updates pretty regularly. All feedback is appreciated, and the maps are currently playable, but ...
1396 pt 2
1396 pt 2 collection - Portal 2 co-op
K12T6's Lost Puzzles
This is a collection of my two puzzles from my abandon Portal 1 mod that I've rebuilt and improved in Portal 2.
Aperture Complex Testing Section
A parallel Earth, 2029. Our Earth and the parallel Earth are both ruled by an evil sentient cloud. The sentient cloud has created a vast part of Aperture Laboratories called the Aperture Complex Testing Section. In it are the hardest tests created on tha...
BBsan map pack
easy test chamber pack.
Aero's Puzzle Maps
A bulk collection of all my puzzle maps so they can be downloaded all at once.
Semi-Unlogical Science with Random
My personal collection, enjoy. Can you understand the (Semi) Unlogicalness!
Mr. Bones' wild rides
Rides that never end
Thanks to Aperture Science. Storms inc will be releaseing a series of test chambers, Starting with Sector A and Ending with Sector Z. Each Map has a Companion Cube hidden within can you find every one?
Glafendisch is my Collection, I just Hope U ll appreciate.
2 Rooms , easy
Flaken Labs Collection
Thank you for choosing Flaken Labs. This test chamber is a Modifed version of Test Chamber 01 and 02 . Just like the old Chamber your objective is to Get through the chamber to the door. We have added in some new Features, like the Super Coliding Sphere B...
Welcome to the Enrichment Center. Here in the Aperture Science of the Finix Reality (AKA Aperture Finix) we want to give you the best experiences testing science with the Dual Portal Device. Begin the test whenever you want, but be careful, there is a ...
© Valve Corporation. All rights reserved. All trademarks are property of their respective owners in the US and other countries.
Some geospatial data on this website is provided by
Steam Subscriber Agreement