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A3600 Testing LeagueCollection by Lt. Cdr. Tempered Steel
Welcome to A3600 Testing League! Slate Johnson, the Grandson of original founder of Aperture Psygnosis (AKA Aperture Liverpool), is holding a contest to all test subjects willing to match their wit and speed. The goal, reach the exit in the shortest amount
Some fine mapsCollection by Mr Fraggle (UK)
Legacy oneCollection by U got 2 risk it 2 get DaBiscuit
just starting let me know what you think
Xydium IndustriesCollection by Xydium
This is a short collection of maps I will be putting together over the next few days. Your primary objective is to complete the tests and escape the facility! Play this set of maps Hardcore Mode (Death = End of map playthrough)
New Testing InitiativeCollection by Ichinii-san
I'm trying to make something that's a little challenging as far as a new way of thinking, but easy if your comfortable with portals. May require a few technicalities, and a way to two to make things easier, but nothing terribly difficult. For those that ar
For Lack of A Better Name: PurityCollection by ҐⱪɑƦσS
All The Pureitys of For Lack of A Better Name
Checkboard puzzleCollection by Tyty
This set of puzzle is made from the chess's idea, so you'll see a checkboard on floors and walls of every rooms. Maybe you could be the king and defeat all turrets to solve the checkboard's puzzle!
Portal: Black Mesa's TakeCollection by donger
Chell has been asked by Black Mesa to be the first test subject for their take to Aperture's Portal experementation. This supposed to take place after Portal 2, Black Mesa asked Chell to be the first subject because Chell was the only person to pass Apertu
M.A.P.S.Collection by Phantom
The M.A.P.S. collection is a series of chambers with no real theme except the "the" prefix. I will be reorganising these in order of difficulty in another collection.
Micvention TestsCollection by ๖Micvit 愛
The 15 TestsCollection by Endjinn
The 15 Tests are 15 tests i put together to make this seres of nice tests for you to play
Stairway to FreedomCollection by Mambo Steve
Some random maps I've made.
Stage's by TeozzoCollection by Duko
co op mapsCollection by Trix
co op maps
maps to inflict on other peopleCollection by Ryanbomber
existence is torment
Teach Your Children WellCollection by Narcoleptic Canine
A series of simple levels I built to train my children on Portal concepts and gadgets.
Sums ChambersCollection by sumlovinclut
Start off very easy, gets more difficult as they go.
New AperatureCollection by Keemstar
Arty's: Portal 101 Course CollectionCollection by Artist[syn]
A collection of my single-player test chambers. 4 introductory course themed chambers and a final exam reusing core skills required by the first 4 chambers. Great fun!
Complexity setCollection by Yotara
Complexity set of Portal 2 test chambers.
Traps TrapsCollection by lingtau99
The title pretty much says it all.
Pack Peak ended mapsCollection by PackSciences
What I've done and which was a success. A real peak.
PackSciences likesCollection by PackSciences
What I really liked as a French Portal 2 player.
Young Talent PackCollection by PackSciences
When there is young talent that needs more likes to progress.
ReconstructionCollection by UbuntuRox104
This collection are remakes, redo's, and original maps. The Enrichment Center has looked over some plans that were built a long time ago. Looking back helped them reconstruct what was lost and moved to the future. This collection is powered by the C
This is ApertureCollection by mud one
nein... die Quantität eines Add ons haben sie noch nicht.
SNEAK SKILLCollection by PRYCHU
"Sneak skill" is a series of maps consisting of ten episodes, where it counts the perception, reflexes, ability to retract and jumping.
The COMPACT Series.Collection by Bob Ross
These are confusing outside the box thinkin maps. I like to call the COMPACT maps anyways good luck on your journey!
Portal2Collection by tomoyodai
A Love StoryCollection by swisher