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Showing 3841-3870 of 5,291 entries
Madness CoopCollection by Evil Fluffy
A series of tests that get harder as the creator seems to go mad. (COOP)
Soul-Eating Machine Of DoomCollection by =Harders=
Soul-Eating Machine Of Doom, is a mappack in which your soul gets eaten by a machine which sends you to the doom dimension. You have to find your way out of the complex, completing a number of test chambers and stuff. PLEASE NOTE THE GAME ISN'T ...
Present from the skyCollection by blefffff
Do you love to fly? Come!
série impossible ( ou presque )Collection by Rods
n'éspérez pas voir la sortie de sitôt
better together, coop levels by fletcherCollection by Felixfeb the Skull Kid
Fun, hard awesome, just right colection.
Portal itemsCollection by Fedoraz1
Cool items in Portal 2
Cyberwolf packCollection by Rocket the Dandiest racoon
Its co-op and single player fun
Friendly LogicCollection by mitchthe12th
The Friendly Logic Co-op series by Mitchthe12th. PLEASE NOTE: Feel free to give Mitch Co-op Ideas! PM him and tell him where things would go etc. and you might be in the description! Oooh, Description.......
Death Is SuicideCollection by MCA
Death Is Suicide is a co-op five-map collection but it's a work in progress. At the beginning of each map, it has DIS, which is Death Is Suicide. The tests are: DISmantle, DISlocation, DISclaim, DISpute, and DISarray. Have fun with your co-op bud...
RandyCollection by xX_Xanthos_Xx
Randy makes love
redmeCollection by mr.B
FIRsTCollection by NEADMIN
My first puzzles =) Мои первые головоломки =)
4566Collection by Nickxs
Portal 3Collection by cjceesteph
Portal 3 Full Game Now Out But Still In The Maken
Aperture MazesCollection by The Cube of Hearts
Aperture mazes is a collection of maze puzzles. Each maze has different elements and focuses. Some mazes may focus on the errie feel, while others may foucus on the puzzle aspect, and some will just be about aimlessly wandering around (okay, I will pro...
Magelanex1's CO-OP Chambers!Collection by It's0wen
Here is my well presnted (actually you juge that!) co-op chambers! Grab your friend and play!
Escape seriesCollection by b0unty huntr
These are my portal 2 tset chambers yes you may think they are impossible but they aren't u just need tons of focus and a big brain hope you like my portal 2 chambers.
CAMPAIN 1-10Collection by CameronBellingham
PerpetualCooperativeTestingInitiativeCollection by Nick99
Hello and welcome to my first collection of cooperative test. PCTI is a challenge for your mind and the difficulty is medium, so you can practise and, very important, have fun!!!
from the desk of the co-captainCollection by captn_g
[Coop] Work Together CollectionCollection by Neksus
Work Together Collection by Nexus A collection for coop with Cave Johnson!! Old Style MOD + HMW MOD Reflection Gel used. Enjoy :) Part 1 - http://steamcommunity.com/sharedfiles/filedetails/?id=102304913 Part 2 Coming Part 3 Coming Par...
OCD PackCollection by AquaGene
Something's askew... you can't quite put your finger on it, but every chamber seems to be not quite right. This is a 5 map pack (eventually), that will get updates pretty regularly. All feedback is appreciated, and the maps are currently playable, but ...
1396 pt 2Collection by captn_g
1396 pt 2 collection - Portal 2 co-op
K12T6's Lost PuzzlesCollection by K12T6
This is a collection of my two puzzles from my abandon Portal 1 mod that I've rebuilt and improved in Portal 2.
Aperture Complex Testing SectionCollection by Nobody No-One
A parallel Earth, 2029. Our Earth and the parallel Earth are both ruled by an evil sentient cloud. The sentient cloud has created a vast part of Aperture Laboratories called the Aperture Complex Testing Section. In it are the hardest tests created on tha...
BBsan map packCollection by BBsan
easy test chamber pack.
Alpha-BetaCollection by Orik [KI6]
Two similar test. One slightly harder than the other.
Coke's little workshopCollection by ホロ
걍 심심해서 해봄
Portal: Alive StillCollection by PokeJosh
What would it look like if the original Portal title was created entirely within the editor of Portal 2? I'm going to attempt to answer that question, with as much attention to detail as possible. There will be some very interesting substitutes and change...
Sewer Rat Mini MapsCollection by Sutter Cane
Franken Cube rats infest these dank sewers. Try to escape, or become rat food! These are mini maps with one puzzle each.