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Think. For Science.Collection by ( ‾ʖ̫‾)
This collection will get updated and will have some random levels in it, but sometimes also a custom story. Stay tuned.
KirjastoCollection by mitae
WotchChat PortalsCollection by bluedarkyugi
A collection of the Portal 2 puzzles made by the WotchChat Group
Search For AtlasCollection by foall
You are searching for Atlas
4GGCollectionCollection by bassbrick
a map collection by the creator of the 4GGChannel on youtube subscribe us if you liked the maps
Portal 2Collection by iwargle
The HiveCollection by BernyMoon
The Go LevelsCollection by A. Ovidius Ensis
Portal™ 2: The ReplicationCollection by UbuntuRox104
Hello, and again, welcome to the Aperture Science Joint Jason Farms Computer Aided Enrichment Centre. We hope your brief detention in the relaxation vault has been a pleasant one. Your specimen has been processed and we are ready to begin the test properl...
Aperture BlackoutCollection by king of thieves
Are you up for it?
Endurance TestingCollection by Endureth
Just a bunch of tests I put together in my spare time.
Bronze Progressive tests (1 of 3)Collection by Drazoru
A collection of 5 easy tests. Recommended for beginners.
The ChambersCollection by [TBR] broomhead123
A collection of test chambers the get increasingly harder.
RedirectionalCollection by Backgrounds'
30 Laser filled maps, some may require to leave the test chamber!!
Portal 2 ChambersCollection by Usul - teledoor24
This is the collection where I show off my Portal 2 creations. Subscribe if you like! You may like my chambers.
The Easy and har collectionCollection by [LODD]Hunter
Portal 2 Maps By Me All that will be here is extreamly epic maps so epic you will tell you mom about this
Terminal Tecnology- Advanced TerminationCollection by Ebola-Chan
Terminal Tecnology- Terminal Tecnology Starts and ends before Wheatly Saves chell and escapes from GLaDOS, although after Wheatly wakes up GLaDOS. Terminal Tecnology is Advanced Tecnology used by Aperture Science. It uses the Instruments inside the p...
Somewhere Underground XtrasCollection by Vikent8
This collections will include some extra SWUG maps. Enjoy!
Workshop GraduationCollection by Droxiav
"Welcome to the Workshop Graduation Program. You will be completing a series of test in order to work your way to the top!... and in the end you will graduate and..... lets see... recieve... one moment..... well we havent really figured that out yet but b...
The Chambers 1234Collection by Dead.
The most SHORTEST Collection of tests YET... These are the Test Chambers Cave Johnson threw out as they were experimental. and Difficult,You manage to get stuck in this cycle of chambers as you plunge threw the Unused Half Of Aperture. :D
1396 Pt. IIICollection by captn_g
When we try to over complicate things in a puzzle, then that means it's time to go to bed.
Darkroom ChambersCollection by GhostLightning
These are my Darkroom Test Chambers. There will allways be at least 2 different versions, if you are confused. But be aware, i got many black spaces!
Science for SafetyCollection by Kanses
Complete these test chambers and make the world a safer place... please.
portal 3 ( beta )Collection by Grumpyknicks
this is beta
K12T6's Gel Based ChambersCollection by K12T6
This collection contains all of my Portal 2 chambers that use the gels as a main puzzle element.
crip test chambersCollection by Eternal shiny and chrome
Dracken Corp. Test ChambersCollection by Michael P01
Here are the top 5 Dracken Corp. Test Chambers.
Nelg's Testing 1..2..3..Collection by nelglin
Imposible test.......Collection by Mastermiine
Here are some very hard chambers that cause you to think? This is my first series, and depending on how it goes I will make more...... 1 new chamber every week- two weeks!!! stay tuned and hope you have fun! ACHIEVEMENTS I will be giving you self achi...
portal portal: all partsCollection by Tricky
this is where all of my portal portal maps