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Pneumatic VentCollection by ¡ CokZ
Minute Series (Harder Versions)Collection by bEN
Slightly harder versions of the original Minute Series. Suggested -but not required- to play after playing original series. Feedback is appreciated. :) Original Collection Here: http://steamcommunity.com/sharedfiles/filedetails/?id=71871308
GekkoTek Testing InitiativeCollection by MrTheCheesecaker
What is this stuff I made its crapCollection by Maximus
Use ur brain, it's getting harderCollection by Ev!l P@in
Same maps, different solutions each time. I will expand it in the near future, if u like what u see so far! Guess there will be a third part of each map played.
Nitration ZoneCollection by SxSy | SgtPineapple1st
The Nitration Zone is a state of the art facility built by a Aperture Science member who loved nitrate filled foods. (The First one in the collection is not really a puzzle. It's just a somewhat Fun zone.) Each levels varies in difficulties. Most
RobsysGames Testing Facility - The Idiot's QuartersCollection by RobsysGames
Welcome to RobsysGames Testing Facility! You're obviously new here, and that's okay. We're going to test your intelligence with a few simple tasks. Once you've completed them, feel free to move on to the next level. Be careful, though! There are lasers, tu
Frost & coCollection by Dr. Phoenix
This collection contains all maps from FrostPhoenix and his Steamfriends. Go play all the maps within and have fun!
Center 1 - Track 1 Test 01-05Collection by Eden
This Kollektion has the first 5 Testchambers from the first Track of my first testcenter. Have fun while playing! Senfison
Maps for Portal 2Collection by octachoron
Helomyname ScienceCollection by Helomyname
This is my mappack.
osgAa´s lab testsCollection by vbr
Test this room.. :D.
The GapsCollection by Freezy
All gaps must be crossed before any celebratory cake may be dispensed. Additional safety supervision is done by automated supervision live fire turrets.
Science InsanityCollection by Chara
Just some maps of portal 2 ... I try to make it very hard 8D
Ebbzylon - IntimidatingCollection by Not Nuff Bullets
For the expert or the curious player. I've categorized my maps in 3 collections. This collection contains the maps that I could not put in either my "EasyAverage" or "AverageHard" collections. These maps are either very hard, or look "too hard", or ha
Seccion Alpha, The not so easy TutorialCollection by Ly[d]erc
Estos mapas estan hechos a modo de semi tutorial divertido, no son actualmente salas para un reto. This maps are a not so easy tutorial made for fun, they are not meant to be a challenge.. or maybe they are.
Fengor's Test Chamber ArchivesCollection by Fengor
Whole lot of good it does to make test chambers only to have them buried under the avalanche of day one creations huh? Well that's why I've made this collection. It's small right now but with any measure of luck it will grow and improve as I amass feedback
Tests with stuffCollection by mikfig
Tests with gels, turrets and lasers.
Portal 1 test chambersCollection by Turbo Ganesh
I made these mainly to familiarize myself with the editor. Seeing how certain mechanics are different and/or missing from Portal 1 - especially the one-shot energy ball - I thought it would be a fun challenge, to come up with ways to to do the more-or-less
Automatic testsCollection by The Secret Jas
My Automatic tests
Mini Games (Phase l)Collection by Baron La Shawnte IV of Da Hood
I aim to create a moderate sum of maps which feature elements that stick out of the average Portal 2 map. I only want to give new ideas to community, so please, feel free to make your own collections if desired.
Soap's PuzzlesCollection by [DLT] Foamy Soap
My first collection of puzzles. All created with the perpetual testing initiative.
Corainarn ChambersCollection by Corainarn
A collection of chambers I have created for Portal 2's Perpetual Testing Initiative.
Hinote's Testing TrackCollection by FunBags™
Recently opened up by Hinote, a worker of the Aperture Perpetual Multiverse Testing Initiative, a few weeks and Hinote will officially open for business. (Currently under heavy work)
yeahCollection by ☯ :Light x"|)
Smarter than your average Test Drone!Collection by EAF79_OD_
A collection of puzzles designed to test those that think they are smarter than the Average Test Drone!
Razlight789's Portal 2 collectionCollection by Razlight789
Well, I made these maps and I hope you enjoy them! :-)
My puzzlesCollection by Triángulo?
My collection of tests. Please, comment. Mi colección de tests. Por favor, comenta.
The Lost FrankencubeCollection by Zenny
You do not remember anything from yesterday... or the day before that day... you actually dont remember anything from the past. You only remeber waking up here, in this test chamber. As you progress through this and the other chambers, you will find out
n0x TestChamber CollectionCollection by n0x-f0x
All of my Test Chambers at one place.