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The suitCollection by Werkey The NightBird
Metaconscience: The Return of CarolineCollection by Alice Runs on Fedora
This is not an end, not a road taken. The test is now over. Reality takes over. My metaconscience is trapped in eternal darkness. There is only one who can save me. I now depend on you, science Crock Pot'. Fate rests in your hands. Help me from my ever liv
Compact TestsCollection by HaborymCC
Un jour, je m'ennuyais, et j'ai décidé de faire, une salle. Un moi après, Cycy s'ennuyait, alors j'ai refais une salle. De là, est parti cette collection de salles. Ce sont des salles, avec des énigmes simples, mais très compactes. One day I was bore
iolioitopCollection by jakers1403
this is awsome
ImpetusCollection by nayre_trawe
This is my first collection which was a great deal of fun to create. The maps that are included in this collection are: Welcome back (for the first time) Have faith (in your aerial faith plates) It’s over (when it’s over) - complete with a nice surpr
Tales from a Software DeveloperCollection by Delta
A collection of maps inspired by a place some of us spend our lives in, attempting to make other people's lives better. Usually at our own expense. You know, helping us help you help us all? Occasionally we get cake, but for some reason people always insis
Redemption (1-11)Collection by Sage
The collection of 22 test chambers made for the specific reason of testing just one person's skills. You know who you are. Contains chambers 1-11. Yes, this is only half of the gauntlet. Complete it for directions for the second half.
TCTSCollection by Teermit [RUS]
Yet another mappack
cameron labortories coopCollection by Homura
a co-op testing course made by cameron (and veemon)
Just You and MeCollection by hs_doubbing
These are my Co-Op stages.
The Ultimate CO-OP Tests.Collection by 🔥Dad Elite🔥
This si my first CO-OP collecton hope you enjoy!
Co-opCollection by BumDiBum
The Darkness (co-op)Collection by Luke
KnOWn_COllecTIoNCollection by Cornybig
Portal 2: Custom TestChambersCollection by JSGamePlayer
My own TestChambers in Portal 2.
The JumperCollection by #SALTY
My collection for everyone :D
Kiddies PlaygroundCollection by Leafett Silverwolf
This is a map pack I am working on for my 7yo.
mospopCollection by zoomer d. duck
A3600 Testing LeagueCollection by Col. Sigma Skye
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 amount
Some fine mapsCollection by Mr Fraggle (UK)
Legacy oneCollection by U got 2 risk it 2 get DaBiscuit
just starting let me know what you think
Xydium IndustriesCollection by Xydium
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 InitiativeCollection by Ichinii-san
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 ar
For Lack of A Better Name: PurityCollection by ҐⱪɑƦσS
All The Pureitys of For Lack of A Better Name
Checkboard puzzleCollection by Tyty
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 TakeCollection by Mattdotzig
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 Apertu
M.A.P.S.Collection by Phantom
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.
Micvention TestsCollection by ๖Micvit 愛
The 15 TestsCollection by Pickle Rick
The 15 Tests are 15 tests i put together to make this seres of nice tests for you to play
Stairway to FreedomCollection by Mambo Steve
Some random maps I've made.