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Somewhere Underground Episode 2 - Parallel UniverseCollection by Vikent8
Ready for test? Go ahead - to the parallel universe! May it help you or it will murder you? No one knows. Except G.R.E.G. Except Aperture.
Maps by marKiuCollection by marKiu
A collection of all my maps! Have fun playing them... If you're getting stuck at some point please check out the Thinking with portals forum for solutions or hints. Good Luck marKiu
Cave Johnson's Lost ChambersCollection by mikebeza
Travel back in time to "Old Aperture" and explore the Lost Chambers that Cave Johnson could not test because they were too dangerous!
Tiny MapsCollection by KennKong
Good Things Come in Small Packages These puzzles have the most elements in the smallest spaces. Most are easy, but not all. Have a little fun!
Aperture MazesCollection by The Cube of Hearts
Aperture mazes is a collection of maze puzzles. Each maze has different elements and focuses. Some mazes may focus on the errie feel, while others may foucus on the puzzle aspect, and some will just be about aimlessly wandering around (okay, I will prov
Gel 'n' LaserCollection by mice304
Gel and laser. That's all I can say. It's not very hard test but you can play it just to kill time. Have fun!
FootnotesCollection by Solid Jim
Compact, brief and simple - but there may be more to these tests than meets the eye. Possibly.
Prettiest Maps I've FoundCollection by KennKong
Sometimes you just want to stop and smell the flowers.
Fast reactionCollection by FrozenStriker
Be fast, don't stop
Co-op Android RangesCollection by PortablePorcupine
A couple of Android Ranges I made for Co-op.
Turrent chambersCollection by Combustibl3
Can you be still alive?
My beginning chambersCollection by Combustibl3
They are simple
HLN's chambers collectionCollection by matthewhln
This is the collection of my chambers Some of my earlier map (2,3) have little bugs and cannot be fixed Please have a look at the description first ---------------Update------------ [6/6/2013] All single player maps had been published [6/6/2013] Seq
Hidden exit!Collection by Fatalys93
Per ora sono 4 test di cui 3 difficili! :D
Triggernometry and Other Bee Mod MapsCollection by UbuntuRox104
Welcome, if you want to play these, I highly suggest getting the Bee Mod first at www.portal2backstock.com/bee Triggernometry: The Enrichment Centre is required to remind you... <Hey, is this thing on? Okay. I shouldn't really be telling you about this,
Custom Music ContributionsCollection by vanSulli
These are workshop submissions that I wrote custom dynamic interactive music for. Fun stuff.
The FourCollection by jolde daggle
It is always revolved around four cubes
Testing Initiative T94Collection by timmc94
Aperture Science Testing Course T94 is comprised of 20 chambers, placed in an order that is meant to progressively get more difficult as you go on. Many of the chambers share characteristics that can help you anticipate the solutions, yet every course is u
Underground IdeasCollection by Vikent8
Looking for idea for your Portal 2 new-awesome-great-wonderful map? Well, Underground Ideas is perfect thing for you! Here you can learn some new things for Portal 2 Puzzlemaker. - requires BEEMOD
Escape from ApertureCollection by Anachronistic ALLOS
[ PLAY THE REMAKE INSTEAD! http://steamcommunity.com/sharedfiles/filedetails/?id=476097276 ] In another multiverse, you are Mark Bendest, a test subject who volunteered at Aperture for an experiment to turn people into three-dimensional manifestations o
Rise of the TurretsCollection by Samwich
testing contines in the enrichment centre after the events of portal 2 but behind the scenes rouge turrets and franken cubes are up to something... easter eggs in every level (or side quests)!!!
M_testsCollection by Anna
New BeginningsCollection by dragons1blood
My first chambers.
From underground to surface by Ashkore DracsonCollection by Shadow
Just gathering the maps done by Ashkore Dracson, entitled From underground to surface.
APS LABSCollection by BuddyRoach
Welcome to Aperture Paranormal Science. APS LABS. Scary Powers.
Co-op AdventureCollection by VOX_43ab
This collection includes the three parts of >Co-op Adventure< maps. Awesome testchambers with secrets.
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?
Security Protocol feat. R03|\|793|\|U5Collection by UbuntuRox104
Security Protocol ----------------------------------------------- SECURITY PROTOCOL ENGAGED Please note that all Aperture Science employees must evacuate within the 6 minutes of warm up. All neurotoxin generators become fully operational after everyo
The Lambda CooperativeCollection by Lambðaðelta
The Lambda Cooperative is a collection of testing chambers designed for two players by the Lady Lambdadelta herself, creator of such singleplayer chambers as "The Lambda Chambers", "Lambda v2.0" and "Squarefall".
Conversion funCollection by ĐĖĄĎМĂŊ <<AD>>