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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
Mini test collectionCollection by keptn stabzi
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 Scheddoc
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_orange
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 Milk
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.
Hidden RoomsCollection by DelightfullyMad
A map series mased on the backrooms, and hidden parts of the Aperture Science facility.
16MB RAMCollection by RatZ
INCOM Technologies Hand-Held Einstine-Rosen Bridge Generator Project TestingCollection by VestedGamr
Welcome to INCOM Technologies' Experimental Technology and Research Division, and thank you for volunteering for our Hand-Held Einstine-Rosen Bridge Generator Project's testing phase. Your specimen has been processed, and we are now ready to begin the test
Chel's High Flying AdventuresCollection by Gurd be'Skunt Punis
This is a collection specifically made for fast paced portal shooting. THIS COLLECTION IS NOT FOR SCRUBS. I created these maps because I was sick of the slow paced puzzle solving levels that only involved lasers and cubes. You are being watched. The
Piece Of Cake - My easy mapsCollection by .sheridan .vespo
I foudn it easier to create hard maps, than easy ones. That is why I decided to make this collection exclusively dedicated to easy maps. Unskilled players or players with little experience should all be able to master these.
MastermindCollection by ResidentEvil92
The 3 chambers found here are: 1. Death of a Turret 2. Hi 3. Brave Mr. Cube It is highly recommended that you start in this order. They get progressively harder, but no ninja skills are required. The first chamber is the longest and will re
Quzo make HouseCollection by Quzo
Revenant PortalsCollection by B4RevenantGamer
A small colestion of potal maps
testsCollection by (Z | F) lueki [GER]
PrisonCollection by bretts
This is a soon be collection of levels. The theme of these levels are escaping from prison......l.l
Crazy chamber collectionCollection by (commie team)Komadant Bucenski
Lumina Rose Propulsion Gel TestingCollection by Lumina Rose
A series of 6 chambers based around Propulsion Gel. Easy to moderately easy chambers. There is a Companion Cube hidden in one of the chambers. Please note that by Easy, and Moderately Easy I mean that the solution doesn't require an unusual mechanic,
TESTS FOR THE BOSSESCollection by Assunder
the tests for the bosses........
Scarlet's Test ChamberCollection by Handsome Samuel
This Is a series of my Test Chamber,It call "Scarlet's Test Chamber". Any test have a Introduction about that Test what use and need to Carefully In That Test. In my Test,have Fun Mode Test,Serious Mode Test and so on... Any test have different Diff