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Garbus is making science-Colection 1Collection by Garbus
Colection of maps:Garbus is making science 1-5.
Нечто бредовоеCollection by Холестерин
Hardest Maps I've FoundCollection by KennKong
These are the most difficult maps I've found. They can be hard to figure out, hard to play, or are just plain devious. I have completed every one of these, so none of them are impossible. Don't blame me, blame the creators!
KennKong's Favorite Puzzle MapsCollection by KennKong
These are the maps I've found that made me think the most. Some of them may be very hard to figure, but none require ninja skills. Don't to forget to rate these and visit the workshops of the original authors.
My Best MapsCollection by KoleKelley [BoTB] [RDT]
These Are My Best Maps! I Hope You Enjoy!
X-ChambersCollection by Kreuzer
The Collection of the Previous designed X-Chambers... this will be recently updated every now and then which when I'm in the creating mood to design them.
Shady Records Test 313Collection by Vito
We made you
Cool StuffCollection by Patrick Thornberry
Cool stuff i guess.
Portal 2Collection by ПИРАТ 2
Моя первая коллекция.
Zen ApertureCollection by LOZEMO76
Prepare to face some of the most fierce, fascinating, calmful, exciting challenges you have ever been through. (With Complete Zen!)
TornateCollection by Reepblue
Italian for 'backtrack', Tornate is a small mappack that consists of 4 maps. Each map at one point was an editor map, then the maps were totally redone in Hammer. Tornate also gives the Portal 2 artstyle a twist, adding blue tiles in contrast along with l...
ZA10 ExpansionCollection by LOZEMO76
ZA9 AmbiguityCollection by LOZEMO76
ZA8 MischievousCollection by LOZEMO76
ZA7 CastawayCollection by LOZEMO76
ZA6 LimitationCollection by LOZEMO76
ZA5 AlienationCollection by LOZEMO76
ZA4 ExpectationCollection by LOZEMO76
ZA3 DillemaCollection by LOZEMO76
ZA2 EnduranceCollection by LOZEMO76
Refer To First
ZA1 AmbitionCollection by LOZEMO76
12Tests About ZenCollection by Imaginator
12Tests about Zen is where meditation meets science. Challenge yourself in 12 one-room mind-teasers. This is the intended play order: 1 - Quadrants - There are four of them. 2 - Glass - If you climb over it, you can see what's on the other side...
Portal 2: Alletz's Test Chambers CollectionCollection by Alletz
The Complete Alletz's Test Chambers Collection
GekkoTek Testing InitiativeCollection by MrTheCheesecaker
LorddooH's AperturECollection by I'm stupide turret
Aperture Science -The new Testing CoreCollection by Soundstorm
Glados is in standby for a hardware service and the new alternativ KI Core is online. Continuing testing, science is important! SYSTEM CRASH: PLEASE READ THE HEX LOG FILE: 46 6f 75 6e 64 20 47 6c 61 64 6f 73 20 43 6f 72 65 20 44 41 54 41 42 41 53 4...
basic, easy, and fun chambersCollection by Moneyman56
just a couple basic, easy, and fun test chambers
Portal Test Chamber CreatorsCollection by stillMTNDEWfan
please submit and play portal 2 maps
9livesCollection by microtjezz
mappen gemaakt door 9lives-community leden maps that are mad by 9lives-community members
Maps AndewCollection by Холестерин
it is a madhouse and this is nonsense