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Matt's CampaignCollection by Gruzzly
A campaign of 12 Portal 2 chambers, featuring a wide variey of level design, and a vast array of gadgets and mechanics. Recommended for intermediate to advanced Portal 2 players.
FintOSCollection by JUSTICE FOR MOD SILVER
Here it is. The FintOS collection-Fine Intuition Naturalization Testing Operating System. If you have intuition....you'll not do this test. The worst is yet to come.
Saturday 7 Part 4: Science, Science, ScienceCollection by nhenrica
Welcome once again to the Saturday Seven. This installment is called "Science, Science, Science", because that is what this is all about anyway isn't it. This 4th installment of the Saturday Seven includes these levels: 1. Juggling Test: In which...
TURRETs.r.o.Collection by Biozombix
Turret s.r.o. se zaměřuje na logické uvažování při hraní . Naše společnost se pro vás snaží dělat zajímavé mapy :) Byl bych rád za jakykoli hodnocení ,protože každé dílo by se mělo ohodnotit :)
Chaos dimension : campaña habla espanaCollection by <Ronin>Basara
la campaña Chaos Dimension , esta advientada en el portal 2 y sera dirijida a los fanaticos de marvel comics XD Shumat Gorath a conseguido llevarte a su laboratorio de portales y es tu mision sobrevivir a esta pruebas con una cuestion ,.Hay poco suelo...
Test Chamber CollectionCollection by the Glukkon digging up our bones
A small collection of Test Chambers i have made. Nothing to big or challenging, but should satisfy you.
Cookie ScienceCollection by Nomadic_Poet
This is a Portal 2 map collection i will be making. It will involve thinking with portals, and lots of turrets, i assure you :). As a member of aperture science, i will playtest every map i make, to ensure it's juicy goodness :3 I will add these frequen...
...Continue Testing....Collection by Ti Suicido!
The Collection represents a series of chamber, each one focused on a different element used to solve it. I hope you'll enjoy it.
The SimplesCollection by Crandomer
These are a pile of easy simple test chambers for begginers. They are NOT for skilled thinkers. You can solve these really easily without any frustration.
The Frustration SeriesCollection by Dr. Proboscis Antelope
All of the Frustration maps.
Pneumatic VentCollection by ♠ αηנυηα™ ☠
Minute Series (Harder Versions)Collection by bEN
Slightly harder versions of the original Minute Series. Suggested -but not required- to play after playing original series. Feedback is appreciated. :) Original Collection Here: http://steamcommunity.com/sharedfiles/filedetails/?id=71871308
GekkoTek Testing InitiativeCollection by MrTheCheesecaker
new explorer wants to create organic designs test chambersCollection by nick-arlene.tiller
Just started exploring the creativity of other users with a view to creating my own maps one day with an outdoors orgainc feel
What is this stuff I made its crapCollection by Maximus
Use ur brain, it's getting harderCollection by Ev!l P@in
Same maps, different solutions each time. I will expand it in the near future, if u like what u see so far! Guess there will be a third part of each map played.
Nitration ZoneCollection by [SAVGE] Sgt. Pineapple1st
The Nitration Zone is a state of the art facility built by a Aperture Science member who loved nitrate filled foods. (The First one in the collection is not really a puzzle. It's just a somewhat Fun zone.) Each levels varies in difficulties. Most...
RobsysGames Testing Facility - The Idiot's QuartersCollection by RobsysGames
Welcome to RobsysGames Testing Facility! You're obviously new here, and that's okay. We're going to test your intelligence with a few simple tasks. Once you've completed them, feel free to move on to the next level. Be careful, though! There are lasers, t...
Frost & coCollection by Dr. Phoenix
This collection contains all maps from FrostPhoenix and his Steamfriends. Go play all the maps within and have fun!
Center 1 - Track 1 Test 01-05Collection by Eden
This Kollektion has the first 5 Testchambers from the first Track of my first testcenter. Have fun while playing! Senfison
Maps for Portal 2Collection by octachoron
Helomyname ScienceCollection by Helomyname
This is my mappack.
osgAa´s lab testsCollection by osgAaTroN
Test this room.. :D.
The GapsCollection by Freezy
All gaps must be crossed before any celebratory cake may be dispensed. Additional safety supervision is done by automated supervision live fire turrets.
Science InsanityCollection by Kael
Just some maps of portal 2 ... I try to make it very hard 8D
Ebbzylon - IntimidatingCollection by Ebbzylon
For the expert or the curious player. I've categorized my maps in 3 collections. This collection contains the maps that I could not put in either my "EasyAverage" or "AverageHard" collections. These maps are either very hard, or look "too hard", or h...
Seccion Alpha, The not so easy TutorialCollection by Ly[d]erc
Estos mapas estan hechos a modo de semi tutorial divertido, no son actualmente salas para un reto. This maps are a not so easy tutorial made for fun, they are not meant to be a challenge.. or maybe they are.
Fengor's Test Chamber ArchivesCollection by Fengor
Whole lot of good it does to make test chambers only to have them buried under the avalanche of day one creations huh? Well that's why I've made this collection. It's small right now but with any measure of luck it will grow and improve as I amass feedbac...
Tests with stuffCollection by mikfig
Tests with gels, turrets and lasers.
Portal 1 test chambersCollection by Turbo Ganesh
I made these mainly to familiarize myself with the editor. Seeing how certain mechanics are different and/or missing from Portal 1 - especially the one-shot energy ball - I thought it would be a fun challenge, to come up with ways to to do the more-or-les...