Steam Workshop::especially for Ilyusha

Aperture Labs (CooP)

Created by Fishmon

Aperture Labs (CooP) Walkthrough (if needed): https://youtu.be/6E2OBUYkNHU...

Buttons, Elevators and Goo

Created by Donyel

Be sure to make use of the 'tab' function in which you can see what your partner sees. Keep in mind in cooperative chambers you must employ two sets of portals. Teamwork and communication is key to completing any cooperative test chamber....

chickentest 3

Created by ChickenMobile

A coop map made for the 2011 summer mapping initiative. https://www.thinking.withportals.com/ Have fun people!...

Cubes of Destiny

Created by Donyel

Be sure to make use of the 'tab' function in which you can see what your partner sees. Keep in mind in cooperative chambers you must employ two sets of portals. Teamwork and communication is key to completing any cooperative test chamber....

Divided Connection [CO-OP]

Created by GCVos

Help each other progress through a number of challenges you can only complete if you work together. This Chamber will test your Portal Gun and platforming skills. After completing each challenge, you can open up shortcuts so you can respawn safely without ...

Duo Puzzle #3

Created by kbk

My third two-player puzzle. This one is a bit trickier then the others!...

Forgotten Element

Created by Valdengrin

Этот тест содержит кое-что....

[PeTI COOP] Sunbury Chambers 19

Created by BierPizzaChips

Just another chamber with a little twist. Difficulty: Easy ------------------------ #BeeMod #HMW #BPC This map can be run WITHOUT having any mod installed....

Tricky Triple

Created by LateLJ

This coop map consists of 3 testing chambers and features different kind of testing elements. It is not very long map though and maybe not all that tricky, but I hope you enjoy it nonetheless! :D...

This is Teamwork 5

Created by DrFauli

The entire map-series has been reworked and updated on 29. June 2017 This map uses a funnel and blue gel to create some awesome teamwork. estimated difficulty: easy/medium Don't worry if you lose your portals or die by accident: You only have to solve each...

This is Teamwork 2

Created by DrFauli

The entire map-series has been reworked and updated on 29. June 2017 This map uses a funnel and a light bridge to create some awesome teamwork. estimated difficulty: easy/medium Don't worry if you lose your portals or die by accident: You only have to solv...

The Order of Things 08 (Coop)

Created by Invocare_Ignis

i hope you have fun, if you find any exploits or have suggestions leave comments -invocareignis...

The Order of Things 04 (Coop)

Created by Invocare_Ignis

if you have suggestions leave comments. Have Fun -InvocareIgnis...

The Order of Things 01 (Coop)

Created by Invocare_Ignis

my first coop map. i hope it is challenging enough. if you have suggestions leave comments. Have Fun -InvocareIgnis...

The Order of Things 03 (Coop)

Created by Invocare_Ignis

i hope you have fun...

Pyrron_Coop.029 : Barad Dur

Created by Pyrron

Une dangereuse montée jusqu'au globe oculaire le plus enflammé du Medieval Fantasy. A dangereous climp to the most inflamed occulus rift of the Medieval Fantasy....

Portal is the best (cooperative no. 10 )

Created by Robo SK.

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mdm 002

Created by DrFauli

medium difficulty coop map; 002...

Let's play together [#1] coop

Created by Lawan

map create by Syrahs & Ahawa. Have a fun time! Don't forget rate : )...

Interior Crocodile Alligator

Created by Dr. Worm

I drive a Chevrolet movie theatre....

Hakuna Matata 5

Created by DrFauli

Hakuna Matata - "no worries"; - estimated difficulty: medium - no ninja skills needed - you do not have to die to solve this map - if you lose your portals, it is easy to get them back If you need any help in solving this map, just watch the walkthrough vi...

Hakuna Matata 3

Created by DrFauli

Hakuna Matata - "no worries"; - estimated difficulty: medium - no ninja skills needed - you do not have to die to solve this map - if you lose your portals, it is easy to get them back If you need any help in solving this map, just watch the walkthrough vi...

Improbable 1

Created by bluemonkey

Hard level...

Gelocity Stage 3

Created by Radix

Well, you might have played Gelocity 1 or 2. So you will know what this is about: This is NOT a puzzle, it's a race track covered with orange speed goo. You have to run, jump and portal your way through the course and - like in Gelocity Stage 2 - you can s...

Gelocity Stage 2

Created by Radix

Like the first Gelocity, this coop map is a race track again: Use your portal gun cleverly to trick your opponent and be the first to reach the finish line! But this time it's a little more dynamic: You can use your ping tool to trigger traps which can sto...