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andelix-tCollection by Blackbelt
Series 1 - Test Chambers by JetronicCollection by Jetronic
Hi, this is my first official collection: Series 1. It will have a total of 5 (FIVE, NOT FOUR) tests, and it will be ready soon Don't forget to check my Page on Steam, and most importantly, don't forget to send any comments you want.
Your In jailCollection by Portal 2 GLaDOS
Your In space jail You must Excape! but how???
Matt the Brony's Test ChambersCollection by Mattdotzig
I made some Test Chambers, play them
My CoopCollection by <NO_NAME>
My cooperative maps to Portal 2.
The 'Key' Challenge SeriesCollection by Jazzyboy
"Greetings, test subject. We have recently initiated the 'Key' Challenge. This is a new series of Aperture-developed challenges. These challenges were designed with you in mind. More specifically, they were designed to manipulate you and then kill
The Aperture ZoneCollection by Herbabotomusfilms
"you unlock this door to a key of imagiation beyond it is another dimention A dimension of sound A dimension of sight A dimension of mind your moveing into a land of both shadow and substance of things and ideas you just crossted over into.... The A
Entry-Level ChambersCollection by The Lil' Orca
Nothing too special; just my first collection of my first attempts of making test chambers. They are not too difficult and I am not fully satisfied with them, but I shall continue to experiment in making new chambers with better challenges.
Perpetual CorridorsCollection by Skyferret
A collection of puzzles based on corridors. These could range from small corridors like hallways leading somewhere like other chambers, or one large corridor divided into sections.
testCollection by stremfighter
love2scoot workshopCollection by love2scoot
My varied exploits with the Portal 2 level editor
Australiumfish's Timing Tests.Collection by Australiumfish
A collection of my Time-based challenges for people who want a challenge that dont require excessive amounts of logic. Faith Plates, Lasers, Light Bridges, Excursion Funnels (sort of), anything that can have a time challenge made of it, has been done he
The Juggler ChambersCollection by Mr Beans
You have to use collisions and skill to complete these maps #F4F
Zep's collectionCollection by TeyoOtter
This collection will generally contain portal 2 maps I make in the new editor. There is a slight chance it will temporarly contain a map made by someone else. It won't be there forever but I am pretty sure steam tells you who made the map so I might just l
ASETeC - Aperture Science Extended Testing CourseCollection by Shots of a Bodily Nature
Additional testing courses, easy to medium difficulty, incorporating the unique element of interaction with portions of previous test chambers. This testing initiative is know as the ASETeC, or Aperture Science Extended Testing Course. (WIP collection.
rcmero's MazesCollection by [EdBoy] rcmero
This collection includes all my test chambers created with the help of the Lab Rat program, which can be found here: http://www.kyleschouviller.com/labrat/ I recommend using this program if you need a first aid when creating chambers, as it creates a
Umbrella LaboratoriesCollection by Maghetto
Il Progetto Umbrella Laboratories fà parte di una collezione di livelli che raggryppa tutte i test Umbrella!
Aperture Science SP FacilityCollection by Kenji
This is my first collection of maps made by me. Hope you enjoy them.
The Cognitive GauntletCollection by MLightningW
I proudly present to you a series of tests which I call: "The Cognitive Gauntlet". Some of these tests were designed to be an extreme challenge, while others were designed for fun, or even for a slight challenge. A helpful hint I can give you in these test
Beautiful LasersCollection by Zapperlott
This collection is all about tricky laser puzzles - I will add more maps as i make them Enjoy! Rate&Comment Thanks for playing
Fun with PortalsCollection by PommeBleue
Have some fun with Portals.
Ex-Stream's TestsCollection by voz
Collection of Ex-Stream's Portal 2 Custom Maps
BATMAN APPROVALCollection by Sato21
Las pruebas que al Joker no le harían sacar su sonrisita al jugar. Solo para los mejores detectives del mundo :D
DiabloCollection by Necazian
Креативная и красачная
Eric's Planet Of DoomCollection by Breadfish
Well, hello there. My name is Eric as you can see. My collection will basically blow your mind away. Techniquies that will shock you. Brain teasers. If you can find what's wrong with the image, you are on the right way young butterfly. But remember - wh
asdfCollection by WeazleXIII
Shane's CollectionCollection by shane716
The Halls Of MirrorsCollection by Xelotium
"The Halls Of Mirrors" est une collection remplie de salles de test en solo pour les sujets de test vigoureux. Chaque étage est un nouveau défi et redouble d'originalité. Brisez la glace, et venez défier les "Halls Of Mirrors" ! C'est à vous, sujet de te
9.Collection by sewdio
Nine small maps, of medium or hard difficulty :)
QuadraplexCollection by Portato The Potato
My first collection of maps, which are increasing in difficulty. Any ratings would be much appreciated. Have fun, and thanks for playing. -Chichifresco