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ChamberCollection by MAXEL
portal 2 itemsCollection by defekt
Portal Techniques 101Collection by YoshiRulz
A short series of simple maps to illustrate Portal concepts. (dropped project)
InfiltrationCollection by Sulphuric_Glue
It is your task to infiltrate a secret underground base in Saudi Arabia using the futuristic 'Portal' technology. The base is owned by terrorists, and it must be shut down before its army goes into action and the world is thrown into peril. You can access
Test#Collection by NetCrasher™
Just a whole bunch of tests.
MyRCollection by NiXi
Portal 2 lisäjuttuja
Song testCollection by Dove
collectiontitleCollection by CallMeBronco
The Gelympic GamesCollection by 武内P
loganCollection by Rctl_Pontificator
lots of itoms/lelves
Automated DetectionCollection by Calm Spaghetti
All of my maps that fall into the series of Automated Detection, a series of single player, single portal tests. You play the last of the test subjects that were woken up at the end of the co-op mode, and have to do your best to survive the te
The Masasui seriesCollection by Masasui
A series of testing chambers for your entertainment!
Apeture Science Alpha Testing InitiativeCollection by Genghis Swan
Apeture has recruited you to test things such as light bridges, gravity doo-hickeys, and white capsules of bullets.
custom stories (singleplayer)Collection by gmax007
Easy TestsCollection by Mr. No
All of these tests are easy in my opinion. You may find some that are not easy. Feel free to be trapped in those chambers forever and starve to death. - GLaDOS
MECollection by joshfjossie
Fleischrequiem´s mapsCollection by Fleischrequiem
Mix56's Testchambers I.Collection by Mix56
This collection is about easy testchambers (01_easier-22_harder) by Mix56. It is first collection.
Portal_AdditionsCollection by twitch.tv/ZippoZane
Lots More Portal Maps
Portal2_DownloadsCollection by twitch.tv/ZippoZane
Missing Aperture FacilityCollection by ZaKattacker | Team Heavy
You must journey through the aperture facility to find the source of the radiation within.
Gigo LVL'SCollection by SWindWaker -Z
Portal 2 TutorialCollection by Mothalius
A basic tutorial outlining the features of Portal 2.
UZEL TESTCollection by Aleksandr ice
Set of cameras from Alexander Pugachev. Test yourself on the strength!
Alice's Aperture AdventureCollection by NEON_Hack90
Follow the mind of Alice as she enters Aperture Science Testing All Puzzles are are novice- to- intermidiate leved for this collection)
The EscapeCollection by TheRActivator
All my escape maps will be here!
Nathans chambersCollection by Ghillie Monster
Cool natenate suff
Pro Patria PortalsCollection by TwentyFiveAlpha
My favorite homebrew Portal maps.
Mix56's Testchambers CO-OP - Team buildingCollection by Mix56
Team bilding collection with 6 easy testchambers. Good job, robots!
This Is A CollectionCollection by Autumn