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Mini test collectionCollection by Stubbsy
This is a collection with no story, so you could call it independent. It is made for those who get bored and want a little something something! The tests aren't perfect and glamorus, so don't hatw on that! In fact don't hate at all! :D Remember - if
Running Trials: A Series of Infuriating Timed Jumping Puzzles with an Edgeless Safety CubeCollection by Crinja
So you think you're all so high and mighty, being able to defeat my other test chambers so effortlessly. All I wanted was to create a sustained testing environment that took more than half an hour to get through. Well ol' crazy scientist Crinja hasn't stop
Epiphanies of Madness - SPCollection by artao
Here-in you shall find my contributions to the Perpetual Testing Initiative. This collection is all single-player. Regarding difficulty, it's very hard to say; some people may find them easy, others impossible. I try to observe people during beta testing s
WatchingCollection by Useless
Well, someone's watching you and giving you advice for the test.
Stage 2Collection by Alioth
This collection contains more pretentious levels. The solution is hidden and you have to be tricky to find it. Enjoy. Diese Kollektion enthält schon anspruchsvollere Level. Die Lösung ist meist versteckt und du must trickreich sein, um sie zu fin
Aperture Science -The new Testing CoreCollection by Soundstorm
Glados is in standby for a hardware service and the new alternativ KI Core is online. Continuing testing, science is important! SYSTEM CRASH: PLEASE READ THE HEX LOG FILE: 46 6f 75 6e 64 20 47 6c 61 64 6f 73 20 43 6f 72 65 20 44 41 54 41 42 41 53 45
ExoLab - The dark side of Aperture LaboratoriesCollection by Fatalys93
Una raccolta di 9 test di facile-media-alta difficoltà! Sia single-player che co-op! Divertitevi!
Hidden exit!Collection by Fatalys93
Per ora sono 4 test di cui 3 difficili! :D
Os mapas mais impossiveis do mundoCollection by Evil_orenge
Eu vou estar dedicando esta coleçao aos mapas mais impossiveis do mundo.Para voces resolverem esses mapas vo precisar de: Agilidade,Pensmento rapido,Bastante conhecimento de portal,etc.
A Black Yoshi's Science LabCollection by Yoshi Noir
Welcome to the Yoshis' Science Lab. Let's have fun by creating portals and not stomping on Goombas.
TestManiaCollection by Maugan™
Puzles creados maniaticamente con elementos varios. 1-CuboMania 2-PlataforMania 3-TractorMania 4-GelMania 5-LaserMania Poco a poco hasta que me canse o agote mis ideas.
Test Shaft #1Collection by TheMilkMan47
A group of tests. Most of them are REAlLY easy, but there are some decent puzzles.
Co-op AdventureCollection by VOX_43ab
This collection includes the three parts of >Co-op Adventure< maps. Awesome testchambers with secrets.
The Galactic Cactus Testing DiariesCollection by SmoketheWater
The Galactic Cactus of Earth CP documents his life as a test chamber creator for Aperture Science. A work in progress.
Alpha-BetaCollection by Orik [KI6]
Two similar test. One slightly harder than the other.
Coke's little workshopCollection by ホロ
걍 심심해서 해봄
Portal: Alive StillCollection by PokeJosh
What would it look like if the original Portal title was created entirely within the editor of Portal 2? I'm going to attempt to answer that question, with as much attention to detail as possible. There will be some very interesting substitutes and changes
Sewer Rat Mini MapsCollection by PaleBlueDot
Franken Cube rats infest these dank sewers. Try to escape, or become rat food! These are mini maps with one puzzle each.
Flip These PuzzlesCollection by Skyferret
A collection of puzzles themed mostly with flip panels. Some are just basic portal flinging from one panel to another, or multiple flinging using more than just 2 panels. Some involve panels, portaling and laser redirecting as well as directing funnels. Th
Three Wolf MoonCollection by xox KG xox
My Three Wolf Moon Searies of Chambers
CreationsCollection by Just Nutty
It is all the creations in one awesome collection it includes Creation,Creation 2,and Creation 3. All of them proboly have different ways to solve them (not sure about 3).Can you find the all in this new awesome collection?
Jacob's First Collection of Meaty TestsCollection by Shrodo
What makes this collection interesting is that it's the first chambers I've created. That's prettymuch it.
collecton1Collection by Eva Pamela
Overlords deadly TestsCollection by Michael
This tests are deadly.
-THE GAUNTLET OF EVIL-Collection by Ashley. 🔪
Note: This pack contains a multiplayer and inslge player version of the same map. There are no mechanic differances between the single and multiplayer version of this map. This multiplayer version is for if you want to race another player in my gauntlet of
My beginning chambersCollection by Combustibl3
They are simple
Turrent chambersCollection by Combustibl3
Can you be still alive?
A Birthday PresentCollection by AgentB
I couldn't think of anything to do for my friend on his birthday. So I made these 3 test chambers. It's the thought that counts, right? Sorry I can't be there, friend. These are a few of my first test chambers, so let me know what you think.
Coop 999Collection by KaZze
GHTCollection by °=mc=°gyver
First three test chambers of the greatest coop team ever :)