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Showing 1-18 of 5,291 entries
Loco Chambers: Co-op Game ChambersCollection by Vatos Locos
Co-op The Ultimate Co-op Collection of Gaming Chambers! All Chambers within this Collection are 'Game' Chambers (Player vs Player) Please refer to Chamber descriptions before playing. Have Fun!
Loco Chambers: Hopping MadCollection by Vatos Locos
(Single Player) This Collection focuses on a specific jumping ability. Difficulty: Chamber 1 - Easy/Medium Chamber 2 - Hard Chamber 3 - Very Hard These 3 Chambers are not meant to be overly fun, but rather meant to teach you a really cool new tri...
JMaN TestingCollection by JMaN98.7
The first tests are very easy, but they get harder, and harder. Have fun playing these tests!
HashtagMC's Portal 1 Map RemakesCollection by HashtagMC
My remakes of the Portal 1 maps using Portal 2 models and textures.
Portal 2Collection by Pfmartins99
Before Portal 1.Collection by pavel8986
The action takes place before the events of Portal 1. But after a few tests, Portal 1 and these tests overlap. Then Chell destroys Glados and tests on this end.
Portal Co-op mapsCollection by funworld4/555htc
Maps w/ BryceCollection by dumbdog247 (Mike)
My Stuff (Portal 2)Collection by Eruptorsam
Portal 2 stuff (mine)
Testing Initiative Omega CentinalCollection by BaneSheep
Omega Centinal is a collection of maps based around completing multiple tests to get the end of the chamber. There are three different types of tests: Roundabout- The first set of chambers, Roundabout chambers are where the exit in right in front you,...
Portal 2 StuffCollection by topbop!
Portal 2 Stuff, Maps etc ...
Official Technical Difficulties CollectionCollection by jccreszMC
The official collection of Technical Difficulties Maps that I make. They are not junk maps that constantly flood the workshop. I've dedicated myself to making quality maps to thin out the crap on the Workshop. I hope you enjoy. I'm always available ;)
Quantified ObservationCollection by camerson1313
A series of maps ranging from hard to very hard, which essentially features maxing out the space of the PTI editor before filling it with a bunch of stuff. Designed mainly for those who find most maps too easy and are looking for a challenge. Ironically, ...
Portal 2 Co-Op with Jon & JustinCollection by [KAOS] JonathanWolfe038
Portal 2 Co-Op Custom Maps!
The Order of ThingsCollection by zefag
Portal 2 ModsCollection by mynameisdatruth
Old and ShinyCollection by Gimzie
This is the Old and Shiny series. Not much to explain, except that this series takes place in Old Aperture.
CoOpCollection by jorge