Portal has been called one of the most innovative games of the decade. A hybrid of FPS style and a new genre of spatial brain teasers, Portal offers hours of totally unique gameplay.

Set in the mysterious Aperture Science Laboratories, players must solve physical puzzles and challenges by opening portals, maneuvering objects, and moving themselves through space in ways that used to be impossible.

Playing Portal today will teach you how to love a "companion cube", whether a computer named GLaDOS really wants you dead, and why your friends keep telling you "the cake is a lie".

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Portal Portal Portal
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Hazmat’s Portal Map Pack has been released! This mod started in 2011 as ‘Nick’s Portal Map Pack’, but after the main developer stopped development I stepped in to finish the job. This mod features 7 unique maps, along with a different color scheme. The portal gun now fires purple and yellow portals instead of the usual blue and orange. All models have been updated to fit this scheme as well.

Puzzle elements such as light bridges and laser grids are also used in the mod, creating difficult maps that present a unique challenge. The mod has been extensively bug tested, and each map has been brought up to a good standard of quality.

Hazmat's Portal Map Pack v.1

This mod has been developed by a qualified team of developers over the course of 4 years, and features unique textures, puzzle elements, and sounds.

Thanks, and have fun.

Outside Influence - Now On Greenlight!

Outside Influence - Now On Greenlight!

8 months ago Outside Influence - Volume One 5 comments

Portal: Outside Influence is now on Greenlight! Complete with a trailer :)

An Update, and Portal: Skyline

An Update, and Portal: Skyline

1 year ago Outside Influence - Volume One 10 comments

Have a play with some of the elements from Outside Influence in this short standalone map.

Alpha .4 Released

Alpha .4 Released

1 year ago Cloned Cube 2 comments

Including 3 new maps, dozens of new models and textures, as well as a brand new section, the latest version of Cloned Cube adds a ton of new stuff just...

News of a forthcoming update.

News of a forthcoming update.

2 years ago Blue Portals 10 comments

News of a forthcoming update along with other information.

Portal is a first-person puzzle game. Players must solve physical challenges by opening portals to maneuver objects, and themselves, through the enigmatic Aperture Science Laboratories.
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Portal: Apse -DEMO-

Portal: Apse -DEMO-

1 week ago Portal: Apse Demo 1 comment

This is just the DEMO of Portal: Apse but don't worry the Full Version will coming soon...

Portal SDK Example: Half-Life 2 with Portalgun

Portal SDK Example: Half-Life 2 with Portalgun

3 months ago Portal: Source SDK Edition Demo 0 comments

The most basic thing you can do with this SDK: Give HL2 the Portalgun! Press 5 on the keypad (KP_5 in code) to get and upgrade the Portalgun at any time.

Portal 2 Portal

Portal 2 Portal

4 months ago Portal 2 Portal Full Version 4 comments

Play Portal in Portal 2 style with destroyed testchambers !

Hazmat's Portal Map Pack v.1

Hazmat's Portal Map Pack v.1

4 months ago Hazmat's Portal Map Pack Full Version 1 comment

The full release of the game, enjoy! Please report any bugs in the comments section!

CWTH patch ver. 3.0

CWTH patch ver. 3.0

8 months ago CWTH Patch 0 comments

Instruction: Download and Install Chell's way to home ver.2.0 Download and Install CWTH_patch30.exe Do not install any files.

New Portal

New Portal

9 months ago Full Version 10 comments

thats looks now better and have portal 2 elements. i hope you like the new textures.

Post comment Comments  (0 - 10 of 150)
CharlesAtum Dec 5 2013 says:

Mods aren't working for me after update to new content system.

+3 votes     reply to comment
CharlesAtum Dec 5 2013 replied:

Looks like some mods need indivual fixes to run with the SteamPipe version

+3 votes     reply to comment
eeeeeeeeeeee Jul 8 2013 buried:



-7 votes     reply to comment
Techno_Cat Dec 1 2013 replied:

You need to find the directory where it says your steam name. also you have to use the wisard that finds it for you.

+3 votes     reply to comment
elijahablue Jul 8 2013 says:

how do you find it istalled on desura if its on steam?

0 votes     reply to comment
Niivek83 May 25 2013 says:

Un kiff !!

+2 votes     reply to comment
usbpetrock Mar 18 2013 says:

I remember starting mapping with this using freaking po_edit. I wanted to learn Hammer, but it took me about 2 months to find a tutorial which said that you pressed enter to create a brush. Everything before that just said "create the brush".

I never released my po_edit maps, because I knew they weren't up to a good standard. That didn't occur to some people, apparently.

+2 votes     reply to comment
cubis Dec 15 2012 says:

Wow, I really like the new description at the top.

+2 votes     reply to comment
FiremanJr Dec 1 2012 says:

How Do You Verifly The Files ? I'm So Fustrated Because I Can Play !!!

+2 votes     reply to comment
splatzzzzz Nov 21 2012 says:

how do you download it? the only game i got on desura was omegalodon demo so i don't know

+2 votes     reply to comment
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Released 2007
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1184 votes submitted.

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Ratings closed.

Highest Rated (9 agree) 10/10

Straightforward gameplay, and not too hard or too easy. Once you figure it out, its really fun.

Dec 31 2010 by arieas

Lowest Rated (3 agree) 5/10

what to say? this game is not challenging at all, completely boring and waaaay too short.

After 90 minutes of playing, just when i asked myself "when is this stupid tutorial over, i want puzzles!" the credits appeared and the game was over. it was really disappointing. the only thing that kept me from smashing my computer was this funny "still alive" song that was played in the credits.
that song is the only positive thing about this game. and certainly not worth 20 bucks.

Mar 29 2011 by Killatomate

Puzzle Compilation
Single Player
Portal Puzzle Compilation
Portal 2
Portal 2 Puzzle Compilation
Last Update
1 month ago
1,033 members