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Subject ZCollection by doctorhitts
Here's a collection of all the Subject Z maps I have created. There really is no story, or order they should be played in, they're just listed chronologically from when I created them. Some were experimental and I named them as such. I hope you enjo...
Mine WorldCollection by Solevant_Gecko
The Lemon FilesCollection by Acid Regulation
Join Cave Johnson in his search for new ways to make more money... (Besides the profits he makes with Aperture, which you are still testing for) ----------------------------------------- Made with BEEmod and Hammer. ------------------------------...
sp_80s [Original Collection]Collection by Ultiman9711
This Collection is absolute rubbish. For best results, I request that you refrain from engaging in this map pack and instead proceed directly to the Pure Intellect Saga, as per this collection: http://steamcommunity.com/workshop/filedetails/?id=124023814 ...
Wheatley laboratoriesCollection by BEN 77
Escape from ApertureCollection by Antagonistic 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 ...
Pneumatic Diversity vent testing initativeCollection by Flo2912
This is a collection of test, using the Pneumatic Diversity vent, a planed testing-element. Valve removed it in last minute, I dont know why :( Note: I haven't made this maps, I only searched for them.
The Office PrankCollection by Camßεn
You play as Haley, a simple employee of Aperture Science, simply going to work everyday, working an office job in the main lab area. But today something was wrong. All of your coworkers are nowhere to be found. What could it possibly mean? Venture dee...
PC Gamer: Best Portal 2 Singleplayer Maps & CampaignsCollection by Aradalf
PC Gamer's top Portal 2 singleplayer maps and campaigns, available here: pcgamer.com/2012/11/03/the-best-portal-2-singleplayer-maps-and-campaigns
Multi-Purpose ChambersCollection by kimryan0416
GmodVk CollectionCollection by Skap
Коллекция участников группы vk.com/garrysmod
I'm Special Introduction - CompleteCollection by RelativePierce
A refreshing collection of test where creativity is the key to the solution. These test requires a new way of thinking comparing to what portal already taught you. They are probably challenging and I do not promise they are super fun, but I do promise the...
Portal 2: The AftermathCollection by Spamfan
Portal 2: The Aftermath, is a Portal 2 workshop collection which introduces to the player events that might occur after the singleplayer campaign ends. Offering at least one entire hour of mind-boggling gameplay, challenging you to use Portal...
Portal ErgonomyCollection by La Petite Magicienne
Full Inspiration Maps Difficulty : Medium - Hard Enjoy ! And please rate the collection :)
Abandoned Chambers COOPCollection by Hunter-Killer
With everyone testing in other dimensions and GlaDOS occupied with her new little killers, Atlas and P-body were getting pretty bored so with nothing better to do they decided to wander off into the unknown and ended up stumbling across the abandoned cham...
The Highly Confounding Halolz Testing Initiative for Gentlemanly Portal PlacersCollection by StacMaster-S
The official collection of Halolz community test chambers! Are you a Halolz regular? Submit your levels to our Steam group today! http://steamcommunity.com/groups/halolz-portal
VerticalCollection by Grameir
Vertical tests. Not too hard, not too easy,
Escape from ApertureCollection by Hunt2013
As GLaDOS regains full control of the facility the only way to escape is to play along. Complete the testing courses and find the way out starting from the Cave Johnson Era of Aperture make it to the current and gain your freedom.
Russian Test Box MapsCollection by HINK
Русские карты для Портал 2) Первая карта, по словам большинства, непроходима, поэтому делал прохождение её концовки. См. видео.
TimeTOdie - Special Chamber SeriesCollection by TimeTOdie
This is a collection of my special chambers. Every chamber has at least four puzzles. Some chambers are so big that they are seperated into two parts. Have fun!
Friends ForeverCollection by Stark
In this co-operative set of tests will be reviewed by the power of friendship. How much important is friendship with the passage of these cameras, you learn right now!
Aperture roomCollection by Check™
My collection of rooms where the style of Aperture. Here you can find the rooms quite complex and interesting. There will be a large collection of maps for both co-op and single player. It all depends on you. Good luck with the passages made!
Pure IntellectCollection by Ultiman9711
https://www.dropbox.com/s/5ji7kvprav9mc3p/pilogo.png?raw=1 Welcome to the Pure Intellect Saga. GLaDOS has sent you (as the clever test subject Chell) into the bowels of Aperture as a way to dispose of you. Staggering your way thro...
Rube Goldberg machinesCollection by cyron43
Totally useless machines but they are most entertaining. :-D
RectorRocks' PTI MapsCollection by RectorRocks
PTI maps made by RectorRocks. Branding image : PTI banner image. Background image : Portal 2 waterfall wallpaper. Difficulties: 1/10: Very Easy 2/10: Very Easy-Easy 3/10: Easy 4/10: Easy-Medium 5/10: Medium 6/10: Medium-Intermediate 7/10: ...
Gelocity MapsCollection by [UA] Stranger
Single Portal ChambersCollection by Tmast98
Solve various test chambers using the Mono-Portal Gun *Background Photo By Valve (Found in Portal 2 The Offical Guide)
Test lab - By NiinCollection by HexagoNiin
J'ai fait un énooooooooooorme succès avec Test Lab 09... je vous remercie tous ! ; ) Sinon J'ai fini le 12e, si ça vous interesse où si vous voulez me donner des idées, vous pouvez ^^. Envoyez moi juste vos salles de test, je les teste toutes !
Excellent PartnershipCollection by wildgoosespeeder
My Coop tests...
Lore of ApertureCollection by Dom44
This mappack contains 4 clean styled maps, which were created in editor and edited and detailed in hammer. Dom44 - level design, editing and detailing maps EljanoCZE - level design We hope you will enjoy playing our mappack! Feedback and video pl...