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.

Add mod Mods  (0 - 30 of 92)
Portal BEta 2005 (NOw Dead)

Portal BEta 2005 (NOw Dead)

First Person Shooter

this mod is not comming back so thats all so no download ;(

Portal: Last Hope

Portal: Last Hope

Adventure

In Portal: Last hope, you play a key role in the beta testing of Aperture Mesa Testing Initiative Center. You will be able to solve them by the "aid...

White Mesa

White Mesa

First Person Shooter

Welcome to the White Mesa! This is a mod for Portal that adds new whole story. Evil GJiDOS AI was destroyed by a unknown human. Your name is Jeff Nake...

Portal: Insane Aperture

Portal: Insane Aperture

Puzzle

When Aperture Science sells its Database Division, its managers use their last moments of power to plan a sabotage of GLaDOS.

Portal: Project 2005 Remake

Portal: Project 2005 Remake

First Person Shooter

This is a recreation mod of the 2005 version of portal.

Narbacular Drop: Source Remake

Narbacular Drop: Source Remake

Puzzle

I am going to try to make the game Narbacular Drop in Source Engine! It will take lots of work and I would like the community to help me.

Hazmat's Portal Map Pack

Hazmat's Portal Map Pack

First Person Shooter

A small mod consisting of 7 maps. Designed to keep the original feel of Portal 1, while adding in puzzle elements only seen in Portal 2. This mod features...

Portal Beta

Portal Beta

Adventure

This is a fan-made mod that plans to re-create the beta version of Portal. :)

Portal 2 SkinPack for Portal 1 v1.5

Portal 2 SkinPack for Portal 1 v1.5

Puzzle

v1.5 already! Im releasing this as a mod so that I can upload more than 1 screenshot :P

Portal 2006 alpha 28.1.4.5

Portal 2006 alpha 28.1.4.5

Puzzle

My version of Portal Project Alpha. Portal Gun Beta animations and real alpha portals!

Portal: Combined Technologies

Portal: Combined Technologies

Puzzle

Portal: Combined Technologies, also referred to as simply "Combined Tech", is a puzzle, story, and combat driven Portal 1 mod (recently being converted...

Portal: Ratman Stories

Portal: Ratman Stories

Puzzle

Portal: Ratman Stories is a fan-made mod for Portal, featuring Doug Rattmann (from the Portal 2 Comic) as Protagonist. Ratman Stories starts the day GLaDOS...

Outside Influence - Volume One

Outside Influence - Volume One

Cinematic

Discover Aperture Science anew with original puzzles, elements and environments in a fully voiced story.

Blue Portals

Blue Portals

First Person Shooter

Blue Portals is a unique Portal mod that has players traverse through new test chambers using only the single portal device and many new test elements.

Map db

Map db

Arcade

this is not a mod. this a place for maps. next release:TBD

Portal: Source SDK Edition

Portal: Source SDK Edition

First Person Shooter

WHAT IS: Portal: Source SDK Edition? Portal: Source SDK Edition is an open source version of Portal 1 using the leaked 2007 code.

Portal: Aftertouch

Portal: Aftertouch

First Person Shooter

This Mod takes place between Portal: Prelude and the original Portal. Its the Year 2009... Glados has a new Testsubject with number #44362881 (her real...

Portal: Cyberspace

Portal: Cyberspace

Puzzle

Portal: Cyberspace is a mod for the valve game portal. When you awake in the Enrichment Centre GLaDOS attempts to force you to take part in a new and...

Portal: Inside Out

Portal: Inside Out

Puzzle

A Portal 1 Modification where you have to fight your own way to more than 15 Evil levels that are developed by a powerful Malware Virus. There are some...

CWTH

CWTH

First Person Shooter

What you would do, if everything seems to be over and you are still alive? We are pretty sure you'd like to come home. The story takes place in Half-Life...

Portal : Revive

Portal : Revive

First Person Shooter

During the Revive, You should be quiet. Or, Your head would not be on your neck.

Aperture Testing Facilities

Aperture Testing Facilities

First Person Shooter

This is a Sci-Fi mod for portal.This mod is made totaly by me. Hope you like it

Underground Story

Underground Story

Puzzle

Portal | Underground story This Portal story is based on the MTN Portal Story | Part One! This mappack includes around 75 levels. in this mappack have...

iAmRattman

iAmRattman

Adventure

What ARE you doing? Without following this mod’s progress :D

Rexaura

Rexaura

Puzzle

Rexaura is a mod for Portal based on high energy pellets and several new mechanics surrounding them.

Cloned Cube

Cloned Cube

Cinematic

Cloned Cube is a Portal mod. It takes place after GLaDOS' fall in Portal. You assume the role of Chell's secret clone. You have to escape or else you...

Insane Aperture Prequel

Insane Aperture Prequel

First Person Shooter

This is based off of Portal: Insane Aperture, a project I am currently working on.

Portal: New Adventure

Portal: New Adventure

Puzzle

Portal: New Adventure is a small mod for game Portal. It takes you to the Aperture Science Growing up center.Just few chambers in old style, don't expect...

< insert name here >

< insert name here >

Puzzle

< insert name here > is 4LFA's first Portal 1 mod, and probably their last. We need some map makers, texture designers, modellers and programmers to help...

Aperture : Déjà vu

Aperture : Déjà vu

Puzzle

It is a non-linear map which have many paths to take and reach the end. The point is, that you play a map one time and you are happy. Then you have a...