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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 tes...
Chel's High Flying AdventuresCollection by Japsy the Armdillo
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 r...
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 (xbox team) aleksat
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 [HMC] Cpl. Liam
the tests for the bosses........
Scarlet's Test ChamberCollection by BOT Gabe
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 Dif...
The FourCollection by LordMeech
It is always revolved around four cubes
MAP-MACHINE 2012Collection by Soundstorm
Komplizierte und einfache Test Kammern, so das man sich ausgewogen beschäftigt fühlt
CO-OP Laser Round Complete CollectionCollection by Zemble
This is the complete collection of the CO-OP Laser Round maps for Portal 2. Each map consists of several tests that all involve lasers. The tests do not require you to be a very skilled player at the game but are to challenge the mind like any normal Po...
Donut World - COOPCollection by Miphois
Test chambers made on Donut World - 19-part campaign. - Coop - Tricky maps and good ideas. - Absolutely not for beginners.
FootnotesCollection by Solid Jim
Compact, brief and simple - but there may be more to these tests than meets the eye. Possibly.
AppendicesCollection by Solid Jim
These maps aren't particularly lengthy when you know what you're doing, but you may find yourself needing to re-examine the way some testing elements interact. It is effectively a "best-of" selection of my test chambers (in my opinion; yours may of cou...
EntropyCollection by Solid Jim
Congratulations, test subject! You have been selected to participate in mandatory non-automated scheduled maintenance of this test chamber. Human-assisted monitoring is an important facet of the scheduled maintenance program: although each chamber has bui...
Co-op Portal2 #1Collection by Mr. Business
Some of my first Portal 2 Co-op maps made in Portal 2
GelocityCollection by Tŏχic
GelekinesisCollection by Clericopter
A trio of test chambers focusing on the intricate mating rituals between gel and excursion funnels.
Portal MapsCollection by middle age speed racer
Custom test chambers. Crafted by me. For SCIENCE!
Think With Fewer PortalsCollection by DeWayne Mann
All maps are designed to use a minimal amount of portals. Most of them can be done with no portals at all; a few don't even allow portals.
Test Chambers by Ric666Collection by Ric666
A collection of my test chambers. Some may be a bit long but hopefully fun. Hope you enjoy & please leave any comments below or at this topic: http://forums.steampowered.com/forums/showthread.php?t=2701865 Thx :)
Wheatley LaboratoriesCollection by Vilka
FesTech CollectionCollection by Fesevoa
Test Chambers designed and built by the FesTech Corporation(c) 2077.
Carol's Co-op ConundrumsCollection by carol
A collection of my co-op maps.More will be added as I make them so please sfollow me, ubscribe and make the list a favourite to receive updates. "Cage and Stair" - a simple idea but timers are used to force coordintaed play and there is an awkward (AKA...
PeTI Test Cycle 01: Handheld Portal DeviceCollection by TestSubject069
Hello [Subject Name Here], And welcome to the Aperture Science Perpetual Testing Initiative. You have been self-selected by our team to engage in the most thrilling contribution to Science in the entire history of the multiverse! This collection of supre...
PeTI Test Cycle 02: Thermal Discouragement BeamCollection by TestSubject069
Dear [Subject Name Here], Hello again! This is Cave Johnson from Earth 1, and man! Greg's multiple universe theorem is moving along perfectly! Well, perfectly for us at least, who cares what's going on at your end. The point is that you've passed through...