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Lambda v2.0Collection by Laðy Laмвðaðelтa
Lambda's back and it's time for 2.0. Can you do it again?
Spark the ACR Core's tests to P-bodyCollection by WalKer'
Spark the ACR Core accidently turned P-body off permanently the only way for her to be turned back on is for ATLAS to go through the tests to the chamber with her emergency turn on switch and press it to re-activate her.
MechaSlinky Collection 01Collection by MechaSlinky
Ten test chambers that start off simple and progressively continue to be simple. Or maybe they get more complex and difficult. Who can say? I suppose I can, actually. Let me start over. The MechaSlinky Collection is a mix of various kinds of test chambe
easy boxCollection by Twins of Doom
easy easy so easy
ExterminadoraCollection by Burixer85
¡La base de todos los puzles!
Oracle Initiative - Chapter OneCollection by Loweboy, The Last Monroe
For this series of tests Aperture Science requests all employees to report to Oracle Testing Lab 87D92C to begin your mandatory testing. When your testing shift begins arrive at the testing center promptly, and well rested. You will be doing great things f
XxdDany's testsCollection by Dany_Ways
Test chambers by XxdDany
Chip Plant GammaCollection by ZooC0d3
Shut down the chip plant before the corrupted AI is circulated around the Multiverse! A brand new collection of maps - more will be added at a later date. Difficulty: Easy/Medium
WonderlandCollection by racker92
Wonderland-themed Portal 2 chambers.
The Lost LevelsCollection by UnholyHyverox
First series of my Portal 2 maps.
HackerHead's Portal 2 MapsCollection by CriticismBadger
A collection of maps I put together on Portal 2 hoping to challenge and engage people in their freetime.
Return Of Test Chambers 1-10Collection by L0L_Osi
Think With Portals. For Science.
Testing GroundsCollection by Doisman
My first (and only so far) Portal 2 maps. I'm bad at making these maps so be gentle with your hate
PortalForumDE-KollektionCollection by MrFraiM+
Diese Tests für Portal 2 sind von PortalForumDE(Steamgruppe) erstellt worden.
Portal MapsCollection by BansheeTK
A folder of portal maps
SlightlyDifferentDuplicates: Which should I keep?Collection by jbsob
I created the same map twice with a different title and description for each to see what people liked better. One is more of a parody of Cave Johnson's multiverse commentary and helps the player out more as the title itself is a hint to the map's nature.
PORTAL 2Collection by Gazing the bush
Mapas de portal 2
Portal 2Collection by Set0
Drowning CubeCollection by Undies!
Portal Test Chambers: All Tests revolve around a 'Drowning Cube'
IF TIME NEVER PASSEDCollection by FrozenStriker
This collection shows how portal 2 maps would have looked like in the past
LorddooH's AperturECollection by I'm stupide turret
Skill Evalution ChambersCollection by Vixc
All you have to do is think. Think with portals.
Pastry Pred's ChambersCollection by spiderman dancing to 'september'
Donut/Pastrypredator/Irc's own levels. WARNING : These levels are in no way good in any way, to be honest. I just wanted a collection of the levels I build ( and like )
TYPE_TesT#****Collection by 3x³+C
VENTSCollection by R
ZA6 LimitationCollection by LOZEMO76
ZA9 AmbiguityCollection by LOZEMO76
The BTE PprogramCollection by Nickvr628
This is the BTE Testing Initiative. This first part focuses on the gel testing elements. More tests coming soon.
Test Chambers PLCollection by Makonde[PL]
Moje pomieszczenia testowe.Nie jest ich zbyt dużo,ale co z tego :P
FlingCollection by EndLessHippopotamus
This is an Aperture Laboratories Initiative to see how test subjects react to being propelled in the air.