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 2881-2910 of 4,588 entries
Flipnotejames Testing Initiative
The Flipnotejames Testing Initiative!
cameron labortories coop
a co-op testing course made by cameron (and veemon)
Just You and Me
High Speed Doubbing
These are my Co-Op stages.
The Ultimate CO-OP Tests.
This si my first CO-OP collecton hope you enjoy!
The Darkness (co-op)
epic luke 4
This is collection of maps by Gig, his chambers have content from BEEmod. His first and exellent map named as Monoportal: Rescind. Download and play his chambers.
Portal 2: Custom TestChambers
My own TestChambers in Portal 2.
My collection for everyone :D
This is a map pack I am working on for my 7yo.
zoomer d. duck
A3600 Testing League
[EqDI] Archibald McShane
Welcome to A3600 Testing League! Slate Johnson, the Grandson of original founder of Aperture Psygnosis (AKA Aperture Liverpool), is holding a contest to all test subjects willing to match their wit and speed. The goal, reach the exit in the shortest amoun...
Some fine maps
Mr Fraggle (UK)
just starting let me know what you think
This is a short collection of maps I will be putting together over the next few days. Your primary objective is to complete the tests and escape the facility! Play this set of maps Hardcore Mode (Death = End of map playthrough)
New Testing Initiative
I'm trying to make something that's a little challenging as far as a new way of thinking, but easy if your comfortable with portals. May require a few technicalities, and a way to two to make things easier, but nothing terribly difficult. For those that a...
For Lack of A Better Name: Purity
All The Pureitys of For Lack of A Better Name
This set of puzzle is made from the chess's idea, so you'll see a checkboard on floors and walls of every rooms. Maybe you could be the king and defeat all turrets to solve the checkboard's puzzle!
Portal: Black Mesa's Take
Chell has been asked by Black Mesa to be the first test subject for their take to Aperture's Portal experementation. This supposed to take place after Portal 2, Black Mesa asked Chell to be the first subject because Chell was the only person to pass Apert...
The M.A.P.S. collection is a series of chambers with no real theme except the "the" prefix. I will be reorganising these in order of difficulty in another collection.
[ℳⱱ-λ]™ Micvit 愛
The 15 Tests
The 15 Tests are 15 tests i put together to make this seres of nice tests for you to play
Stairway to Freedom
Some random maps I've made.
This is a group of autos made by me, Methos. The whole thing probably took 15 minutes per map. xD So I don't blame you if you don't like it. x3 I do hope you like it though! :D ~Methos
K12T6's Laser Based Chambers
This collection contains all of my Portal 2 test chambers that have lasers as the main puzzle element.
Fling yourself, Fling yourself with Gel FFZzzffZFFfzz.
Voici les salles d'Ellinggton. Ne soyez pas surpris, les apparences sont trompeuses. Bienvenue dans mon modeste esprit dérangé !
lDionis Testing Collection
Здесь будет коллекция моих работ с пиксел-артовыми рисунками на стенах.
© 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