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: Inside

Portal: Inside

Puzzle

This mod covers the story spanning between the various 100 years between Portal and Portal 2.

Portal Taste The Cake

Portal Taste The Cake

First Person Shooter

Taste The Cake is going to take the Aperture Science Enrichment Center to a whole different level of experiments.

Portal: New Beginnings

Portal: New Beginnings

Puzzle

The brand new mod, including new story, characters, etc...

Portal: Prelude

Portal: Prelude

Puzzle

Portal: Prelude, as its name states it, is an unofficial prequel to the game Portal. Its story revolves around the pre-GlaDOS epoch, even before she was...

Portal Cake

Portal Cake

Puzzle

This is a Portal mod create in po_edit_4c. I hope you will enjoy this mod. This mod will be finished soon.

Portal-Life

Portal-Life

First Person Shooter

--PAUSED DEVELOPMENT-- Sorry, I'm just not enjoying mapping this anymore. I'm going to continue a Amnesia: The Dark Descent Custom Story I've been working...

Mortal

Mortal

Puzzle

This is a Portal mode create in po_edit_4c. I hope you will enjoy this mod. This mod will be finished soon. Rate this mode please ( of course when it...

Portal: on the edge

Portal: on the edge

First Person Shooter

Portal on the edge is a portal 2 like mod with at least 10 (maby more I haven't decided) test chambers.

Portal: Infinitum

Portal: Infinitum

Puzzle

Portal: Infinitum is a Third-Party Mod for VALVe's Portal. It takes place in a remote branch of Aperture Science that has long since been abandoned, yet...

Portal Cube Replacements

Portal Cube Replacements

Puzzle

I made replacement textures for Aperture Science Weighted Storage Cube and Companion Cube. It has three skins included, two are replacements. Don't forget...

Portal: Subject 1337

Portal: Subject 1337

Puzzle

Wake up, test subject... Hmm... subject 1337. It's time to begin the test!

SCW Portal Physics.

SCW Portal Physics.

Platformer

SCW Portal Physics; A simple test chamber just to test falling panels.

Escaped Portal

Escaped Portal

First Person Shooter

This mod is in development. Weapons and enemies will be put in without recompiling the dll. The team is already got a mapper, props/rag doll modeler...

GLaDOS's missions

GLaDOS's missions

First Person Shooter

GLaDOS's missions will be released in 2010 or 2011 and will have 38 maps.And please look in forums!

Portal 2

Portal 2

Virtual Life

Are mod is prety much a mod for Portal that mimics Portal 2... Not exsactly the same...but close...we will be asking valve if were aloud to do this before...

Portal: Desolation

Portal: Desolation

First Person Shooter

Portal: Desolation is a total conversion mod for the game Portal. The textures for Portal 2 are not mine, but I will recreate them if the original creator...

Portal: New Beginnings

Portal: New Beginnings

First Person Shooter

The mod is developed by Adam Jicha (Desing, Maps) and Marek Prchal (sounds, graphics)

Nihongo

Nihongo

First Person Shooter

You start in your house as a child. You notice your mother is missing and your father is dead. You panic by running out of the house, only to find the...

Portal: Military Androids

Portal: Military Androids

First Person Shooter

The story behind the military androids mentioned in chamber 16 of the original Portal

Portal: Still Alive

Portal: Still Alive

First Person Shooter

This mod will include all of the levels from Portal: Still Alive as well as all the new models/textures Still Alive included.

Portal Stories

Portal Stories

First Person Shooter

Portal Stories is set in the “Aperture Science Experimental Computer Aided Testing Facility” (ASECATF); Aperture Science’s 24th testing facility...

portal black mesa

portal black mesa

First Person Shooter

this is a mod for portal that is not played in apeture science it is played in half-life 1's black mesa but in another section of black mesa

The Turret Experience

The Turret Experience

First Person Shooter

A portal mod where you play as a turret on wheels instead of Chell. There will be combat oriented parts along with some puzzles.

CHRONOPORT

CHRONOPORT

Puzzle

This Mod is about time travel (or chronoportation). While travelling in time, one can create different kind of anachronisms, paradoxes, etc. For instance...

Half-Life 2 Portal

Half-Life 2 Portal

First Person Shooter

This is a Portal mod but you need HALF-LIFE 2 AND PORTAL i will not be posting the maps or gcfs. I need help if any one can sorry about the header i suck...

Portal: The Aftermath

Portal: The Aftermath

First Person Shooter

You are in a small group of rebels who have been approached by a group of Aperture Science scientists who have told you about the ongoing threat of glAd0s...

Portal Olympics

Portal Olympics

Adventure

a Portal mod with plenty of sports with the use of portal guns