Sort by: Most Popular (One Week)
Showing 3241-3270 of 5,087 entries
testCollection by: stremfighter
love2scoot workshopCollection by: love2scoot
My varied exploits with the Portal 2 level editor
Australiumfish's Timing Tests.Collection by: Australiumfish
A collection of my Time-based challenges for people who want a challenge that dont require excessive amounts of logic. Faith Plates, Lasers, Light Bridges, Excursion Funnels (sort of), anything that can have a time challenge made of it, has been done h...
The Juggler ChambersCollection by: PistachioBeans
You have to use collisions and skill to complete these maps #F4F
Zep's collectionCollection by: Teyo
This collection will generally contain portal 2 maps I make in the new editor. There is a slight chance it will temporarly contain a map made by someone else. It won't be there forever but I am pretty sure steam tells you who made the map so I might just ...
ASETeC - Aperture Science Extended Testing CourseCollection by: Just stop.
Additional testing courses, easy to medium difficulty, incorporating the unique element of interaction with portions of previous test chambers. This testing initiative is know as the ASETeC, or Aperture Science Extended Testing Course. (WIP collection...
City High Portal 2 Lab RatsCollection by: chsportal201
A collection of levels made by the City High School Portal 2 Lab Rats. City High School Tucson, AZ
rcmero's MazesCollection by: [EP] rcmero
This collection includes all my test chambers created with the help of the Lab Rat program, which can be found here: http://www.kyleschouviller.com/labrat/ I recommend using this program if you need a first aid when creating chambers, as it creates ...
Umbrella LaboratoriesCollection by: Maghetto
Il Progetto Umbrella Laboratories fà parte di una collezione di livelli che raggryppa tutte i test Umbrella!
Aperture Science SP FacilityCollection by: Kenji-kun
This is my first collection of maps made by me. Hope you enjoy them.
The Cognitive GauntletCollection by: Jane Addison Shepherd
I proudly present to you a series of tests which I call: "The Cognitive Gauntlet". Some of these tests were designed to be an extreme challenge, while others were designed for fun, or even for a slight challenge. A helpful hint I can give you in these tes...
Beautiful LasersCollection by: Zapperlott
This collection is all about tricky laser puzzles - I will add more maps as i make them Enjoy! Rate&Comment Thanks for playing
Flight Of FancyCollection by: Le_Serenite
I introduce my works of Portal 2 chambers. This works i done because of most boring maps in workshop. I hope you enjoy it. Please feel free to Subscribe and i bring to this collection more interesting chambers. Thanks to Valve for this tool that i can rea...
Mini test collectionCollection by: ༼ つ ◕_◕ ༽つ Stubbsy The Wise
This is a collection with no story, so you could call it independent. It is made for those who get bored and want a little something something! The tests aren't perfect and glamorus, so don't hatw on that! In fact don't hate at all! :D Remember - if...
Running Trials: A Series of Infuriating Timed Jumping Puzzles with an Edgeless Safety CubeCollection by: Crinja
So you think you're all so high and mighty, being able to defeat my other test chambers so effortlessly. All I wanted was to create a sustained testing environment that took more than half an hour to get through. Well ol' crazy scientist Crinja hasn't sto...
Epiphanies of Madness - SPCollection by: artao
Here-in you shall find my contributions to the Perpetual Testing Initiative. This collection is all single-player. Regarding difficulty, it's very hard to say; some people may find them easy, others impossible. I try to observe people during beta testing ...
WatchingCollection by: FivnutsattNeddy's
Well, someone's watching you and giving you advice for the test.
The DWN.011 Testing InitiativeCollection by: Mango Guertena
A collection of all my test chambers, so you don't have to subscribe to each one separately,
Skill ChambersCollection by: Zapperlott
This collection is all about fling techniques, portal physics and a little practice ;) I hope you enjoy! I´ll add more maps as i make them. Please rate/comment/suggest - Thanks for playing!
Prove yourselfCollection by: Rush
Try to beat these tests, and I'll try to get you some cake...
IDC Industries test mapsCollection by: chocogamba tropical
Here is my first job: 5 simple maps where I test the mechanics of the mapmaker. I hope you enjoy them. I'm working on something more complex and fun.
Branching Chambers.Collection by: #GoonSwuad The MemeKing
A series of Branching Chambers with many solutions. Great replayability.
[HARD] Trigger's Chamber CollectionCollection by: SuckOn
Not for the faint of heart. When I say hard I mean hard, These will keep you guessing, drive you insain and just plain piss you off. Some of these require hard tasks for advanced test subjects. These are all possible I have tested them myself. More...
MarcCollection by: Fevideos
I am here to present my first collection of test chambers, Marc, every week, a new test! Hope you enjoy and join me, next week a ... more
BoxheadCollection by: Qbyte 1800
A series of test chambers with the intetion of varying dificulty release on a regular schedual - at least one new chamber per week - with a specific basic structure to all the chambers: large "boxhead" rooms.
Bjoern9414´s Portal 2 levels (Hard and big)Collection by: Unlimited Unicorn
This is the hardest and bigest tests i ever will make, will add 1 level every week!
christmas collectionCollection by: Trogdor the Burninator
all my christmas maps
13 Big OnesCollection by: RedneckTexan
A collection of my first thirteen chambers. I tended to rub up against the entity limit in each of them.
My PuzzlesCollection by: ChuckleNuts
All the levels I have made so far. Dont forget to rate and tell your freinds, it would be most appreciated.
Rise of RagnarokCollection by: Doctor Ragnarok
Series of 3 maps following the attempted rescue of Doctor Ragnarok; an Aperture Science employee who went missing during the first neurotoxin incident caused by the activation of the Genetic Lifeform and Disk Operating System.