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Like the Titanic... But with Bears.Collection by [va]ginasaur
Turtle Labarotorys!Collection by DEL UnicornShitz
Some Turtles From Earth #44444 Defeated The Sentiant Cloud And Took Over Earth #1 And Now Owns Aputure Science... Its Up To Survive The Turtles Test Chambers!
Weekly ChallengesCollection by Firedog_Alpha
The Educational Testing Initiative CollectionCollection by SuchABadDoctah
This is a collection of the Educational Testing Initiative (or ETI for short) tests. The ETI is an experiment to show people how the PeTI items work or just to give people ideas for their own PeTI tests. This collection includes several tests about the te...
Six Portals. P.S. NOT SIX FLAGS.Collection by That One Guy
ITS SIX PORTALS Grab Your Whole Family And Have Some Fun. At Six Flags We Have 3 things 1.Fun Rides 2. Rides that have a 90 percent chance of death 3. And Finally boots that you can fall from any height and not break your legs. ( THIS IS NOT SIX FLAGS I K...
The Best Portal 2 MapsCollection by ♥LegenDove♥
Use this handy collection to find top-quality Portal 2 Maps! This collection is updated frequently and will feature quality maps contructed by fellow Steam members! Run by NHPSjordan *If you would like to join me in spotting the best Portal 2 maps, jus...
Logical Thinking SeriesCollection by [RWA] Protonian
The idea behind this map pack is the check if you understand the basics and logical thinking in Portal 2. All the levels have guidance in how to complete them, and some even have bonus exits were you pretty much skip the difficult part by using the stuff ...
Single EscapeCollection by Elovan
(Requires BEEmod to play) A series of five maps dedicated to puzzles using a single portal gun and telling the story of a test subject trying to escape from the facility. If anyone would be interested in taking these maps and fleshing them out in Ha...
MisdirectionCollection by Toby Schwartz
This is a ongoing collection of puzzles designed to make you think about what is necessary and what is extraneous in each level. Some are complex and some devilishly simple. The release of the first two levels occured on June 16, 2013. More levels will...
Welcome Back - bonus mapsCollection by H4mmerPerson
Bonus maps for Welcome Back: http://www.moddb.com/mods/welcome-back. Thanks to ScottOfNorth for the original concepts for these maps.
PanelsCollection by Zepalesque
All panel chambers.
GLaDOS's Discarded ChambersCollection by P-Deak
GLaDOS once created these thest chambers for special test subjects, but, after a certain series of episodes, those tests were lost and almost totally destroyed with time. After all Enrichment Center has been cleaned up and renewed, the Discarded Test Cha...
Bisqwit's easy puzzlesCollection by Bisqwit
Puzzles with expected blind playthrough time of 1-5 minutes.
Bisqwit's difficult puzzlesCollection by Bisqwit
Portal 2 puzzles that either require some serious thinking or rely on difficult maneuvers to complete.
Bisqwit's glitch-dependent puzzlesCollection by Bisqwit
Puzzles that you must know and use a glitch to solve.
Bisqwit's coop puzzlesCollection by Bisqwit
Bisqwit's puzzles with custom visualsCollection by Bisqwit
Puzzles with Styles MOD used.
jjCollection by Pikachu
Primary Colour [Original]Collection by MrLux
Primary Colour Hello everyone! Today Aperture presents new test chambers by me what titled as Primary Colour! This is just original version. Soon I'll start making new edition of this version. But what this chambers have new than others? - ...
testing track 9251Collection by jmfpayette
hello and wellcome to testing track 9251 all the chambers here were made by jmfpayette we hope you have a plesint time testing for us thank you coments and feedback is very apreciated thank you i hope you enjoy
Friendship Mechanical CollectionCollection by RICK 100
The collection of series maps from Portal 2 with much work team. La coleccion de series de mapas para Portal 2 con mucho trabajo en equipo.
Parkour/speed tests collectionCollection by ☆Osama-sama☆
These are my first test chambers
puzzle extreme hardCollection by feroid
puzzle list that I like for some of this reason: Hard Difficulty, Funny Map , Unusual test... most of it for hard difficulty reason ;) I' warning you.. not for lazy or unpatient players.. ;) warm your brane and have fun... I' will actualize collec...
Twirl & DerpsterCollection by OptiPessimist
the story of shit.Collection by jonaskill555
Ziabl's collectionCollection by Ziabl ‹Зяба›
Old Style, New StyleCollection by Innervator
I created a perfectly round sphere map template by hand. Then I filled the bottom with water and created some old-style puzzles!
portal2mapsCollection by Kinky Banana
MapsCollection by Marillo
Fissure Research FacilityCollection by ~ Jules
All the FRF maps, good luck!