Portal 2 draws from the award-winning formula of innovative gameplay, story, and music that earned the original Portal over 70 industry accolades and created a cult following.

The single-player portion of Portal 2 introduces a cast of dynamic new characters, a host of fresh puzzle elements, and a much larger set of devious test chambers. Players will explore never-before-seen areas of the Aperture Science Labs and be reunited with GLaDOS, the occasionally murderous computer companion who guided them through the original game.

The game’s two-player cooperative mode features its own entirely separate campaign with a unique story, test chambers, and two new player characters. This new mode forces players to reconsider everything they thought they knew about portals. Success will require them to not just act cooperatively, but to think cooperatively.

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Some polished maps from the mod. The mod is being developed actively.

A screenshot of a relaxation vault:

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Chamber 4:

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Chamber 8:

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See more in images

Portal 2: Google Translate Edition Announcement

Portal 2: Google Translate Edition Announcement

Portal 2: Google Translate Edition 1 comment

Announcing the official sequel to Portal: GTE, and answering some questions.

Progress Update #2

Progress Update #2

Portal Re-Built

A mod that not only remakes Portal 1 in Portal 2, but also hopes to add new stuff to it as well.

First Article

First Article

Portal: Singularity Collapse

First article, development progress and some news.

Backstory: Developer Chronicles - 1

Backstory: Developer Chronicles - 1

F-Stop: Backstory 2 comments

More than a year has passed since this project was started. You will see how much the project has changed.

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Early Access version

Early Access version

Portal: Origins (Portal: Source 2011) Demo

File for Early Access. Put it in "sourcemods" (steamapps/sourcemods/) If you didn't understand. Watch a video from Youtube.

Portal 2 32 Player Mod Lite Beta 1.5.0

Portal 2 32 Player Mod Lite Beta 1.5.0

Portal 2 32 Player Mod (FIXED!... again) Full Version

We made a new Portal 2 multiplayer mod! With loads of new features!!! Made By: vista, kyleraykbs, BumpyAHK, Sear and Wolfe Strider Shooter

Campaign In Portal 2 Co-op

Campaign In Portal 2 Co-op

Campaign In Portal 2 Co-op Full Version

1. After you have downloaded the .zip file, you will see a folder named "maps" in there. Open Windows Explorer and go to "Program Files (x86)\Steam\steamapps\common\Portal...

We Haven't Met - Demo Release

We Haven't Met - Demo Release

We Haven't Met Demo 1 comment

The official release of We Haven't Met is here! The official release of We Haven't Met is here! The official release of We Haven't Met is here! The official...

Patch em Português para a Versão 1.3.1

Patch em Português para a Versão 1.3.1

Draw me a World Patch

Aqui está a tradução para o português. Extraia o arquivo na pasta Draw me a World (use WinRAR ou 7-Zip, não o do Windows Explorer, pois pode causar...

Half Life with Portal 2 Soundtrack

Half Life with Portal 2 Soundtrack

Full Version 2 comments

Enjoy the sights and sounds of Half-Life with the all the ambience, energy, and excitement of Portal 2's unique soundtrack. Play the game alongside 28...

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laVashik
laVashik

Camera is a lie!
Cake is a lie!
F-stop is a lie!
"Portal 2 Wheatley" is a lie!
Portal 2 BETA is a lie!
Lie is a lie!
Damir is a lie!

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Godohwar
Godohwar

Catalyst is featured!

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Superfech_Linfox
Superfech_Linfox

Could someone do a cooperative mode
With news and new mechanics
would be great...

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