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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Bright Lights Preview

Bright Lights Preview

P0rt41 : BR1GHT L1GHT5 Demo 3 comments

This Is A 2 Map Preview For The Mod. Mod Is Being Worked On.

Portal Online mod v1.0

Portal Online mod v1.0

Demo

the mod is a demo it may have errors im working on the fix.

Portal Multiplayer Download (Beta v1)

Portal Multiplayer Download (Beta v1)

Portal: Multiplayer Demo 4 comments

Current build of Portal: MP. Releasing more builds when ready.

Gmod Portal Challenge

Gmod Portal Challenge

Portal: Project Beta Full Version 1 comment

A port of a super old Gmod 9 Portal map using Portal's late 2006 assets.

Portal-Life 2: Lite Edition (ZIP)

Portal-Life 2: Lite Edition (ZIP)

Portal-Life 2 Full Version 1 comment

Portal-Life 2 v1.1 Patched without Half-Life 2 maps, and a few other small changes. See the README for instructions, and have fun!

Portal-Life 2: Lite Edition (INSTALLER)

Portal-Life 2: Lite Edition (INSTALLER)

Portal-Life 2 Full Version 1 comment

Portal-Life 2 v1.1 Patched without Half-Life 2 maps, and a few other small changes. See the README for instructions, and have fun!

Portal: Enhanced: Cutting the Slice

Portal: Enhanced: Cutting the Slice

Portal: Enhanced Other 1 comment

The promo folder for PE is here, and it's great? Need details on PE? Open the folder!

Portal Prelude Inside my dude

Portal Prelude Inside my dude

Portal: Prelude (FIXED) Full Version 4 comments

THERE IT IS! Also dont worry textfiles will show you what was these sounds

Portal: Unity Full

Portal: Unity Full

Portal: Unity Full Version 3 comments

This is the full mod Portal: Unity with all patches included.

IRSPM 2017 Reboot

IRSPM 2017 Reboot

iCrazyBlaze's Really Stupid Portal Modpack Full Version 1 comment

All mods and their creators are listed in "README_Mods.txt". Have fun, and enjoy memes at their dankest!

INSTALL INSTRUCTIONS

INSTALL INSTRUCTIONS

Portal Reversed Map Order Guides

Read this to know how to play this mod correctly and without errors. If any issues happen contact me at twitch.tv/myroltwitch.

Portal: Enhanced - Alpha 0.2b

Portal: Enhanced - Alpha 0.2b

Portal: Enhanced Demo 8 comments

NOTE: I got the version number wrong on the ZIP file. Sorry, lol. Fixes things like the logo, textures, and ViewModel AUTO EXEC not done yet. Also, first...

Small Menu Patch

Small Menu Patch

Portal-Life 2 Patch 1 comment

Just a quick little patch to the old mod... (It's not dead!)

Portal Twitch Interaction

Portal Twitch Interaction

Portal Twitch Interaction Full Version 1 comment

PortalTwitchInteraction is a game that allow your twitch viewer to choose what command will be execute during your run

portal 2005

portal 2005

Portal 2005 Full Version 2 comments

the first release of the portal 2005 beta recreation mod

Portal Project Delta

Portal Project Delta

Full Version 5 comments

Here. Dont say i stealing. I just wanna upload a my first mod

Portal: Still Alive For PC Sources

Portal: Still Alive For PC Sources

Portal: Still Alive For PC SDK

The source files of the port. Not really amazing, but it may be interesting to somebody.

Portal: Still Alive For PC Release

Portal: Still Alive For PC Release

Portal: Still Alive For PC Full Version 18 comments

This is the whole mod. It includes the 14 challenge chambers as well as the original TFV Mappack.

Portal Prospekt

Portal Prospekt

Portal Prospekt Demo 24 comments

A Recreation of the 2005 Beta of Valve's Portal containing the Nova Prospekt Aesthetic by using leaked assets, maps, and prefabs. Added Features: Now...

Mod version

Mod version

Portal: Canonical Base of ℝxℝxℝ Full Version

This is the mod version, read the readme.txt for installation stuff.

Mappack version

Mappack version

Portal: Canonical Base of ℝxℝxℝ Full Version

Version of the game for a mappack usage. Read the description for detailed installation process.

Map Source Files

Map Source Files

Portal: Project Beta SDK

Map (vmf) files of the campaign from Portal: Project-Beta

Stupid demo for a mod that i can't delete.

Stupid demo for a mod that i can't delete.

Portal 2005 Corruptions Demo

just a really bad corruption, im mean... aren't corruptions supposed to be bad?

Portal Sound Fix v1

Portal Sound Fix v1

Portal Fix Russian Localization Patch

This modification: 1. Corrects the shortcomings of the crack from Buki (missing effects, interrupt replicas, etc.); 2. Changes part of the sounds of the...

Hetzchase Nailway Patch for start-up problems

Hetzchase Nailway Patch for start-up problems

Hetzchase Nailway Patch 1 comment

If you have just downloaded Hetzchase Nailway and have experienced a crash on startup you should download this. Once you have read the instructions file...

Portal Prospekt Demo Ver. 3 (Out Dated)

Portal Prospekt Demo Ver. 3 (Out Dated)

Portal Prospekt Demo 11 comments

A Recreation of the 2005 Beta of Valve's Portal containing the Nova Prospekt Aesthetic by using leaked assets, maps, and prefabs. Added Features: Correctly...

Portal Prospekt Demo Ver. 2 (Outdated)

Portal Prospekt Demo Ver. 2 (Outdated)

Portal Prospekt Demo 21 comments

A Recreation of the 2005 Beta of Valve's Portal containing the Nova Prospekt Aesthetic by using leaked assets, maps, and prefabs. Added Features: Added...

Portal Prospekt Demo (Outdated)

Portal Prospekt Demo (Outdated)

Portal Prospekt Demo 11 comments

Edit (3/27/17): Fixed gameinfo and crashing problem Chamber List: Relaxation Vault Test Chamber 04 Test chamber 05 Test Chamber 08 Test Chamber 09 Test...

Psychological Instability

Psychological Instability

Psychological Instability Full Version

Uploaded directly from the GameBanana page. Extract the contents of the RAR file into Steam\Steamapps\common\Portal\portal then open Portal and type 'map...

Portal Vocaloid Edition OST

Portal Vocaloid Edition OST

Portal: Vocaloid Edition Music

Unofficial OST, compiled from the mod's sound folder. Please Enjoy.

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Portal
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