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.
Portal 2 Mappack is just a mappack for the original game Portal. This will just have 4 different chambers, it's not a huge mappack. This is just for fun...
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...
This mod is about a scientist at Aperture during the making of GLADOS. in many ways it is a prequel to Portal Prelude
v1.5 already! Im releasing this as a mod so that I can upload more than 1 screenshot :P
When Aperture Science sells its Database Division, its managers use their last moments of power to plan a sabotage of GLaDOS.
Designed for the strongest Source Engine players, this mod is axed around the cutscene skips and the speed of elevators to create the ultimately funny...
I replaced mostly every sound in portal with my voice...
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.
Discover Aperture Science anew with original puzzles, elements and environments in a fully voiced story.
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 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...
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...
During the Revive, You should be quiet. Or, Your head would not be on your neck.
This is a Sci-Fi mod for portal.This mod is made totaly by me. Hope you like it
Rexaura is a mod for Portal based on high energy pellets and several new mechanics surrounding them.
This is based off of Portal: Insane Aperture, a project I am currently working on.
This mod is a multiplayer version of Portal. It is currently in pre-alpha stage and will not work with Portal 2. Leave a comment if you want to join the...
portal smile has a few elements of portal2. but, this mod was released before portal2 release. and this mod is basically use korean language but you can...
What would you do if you wake up in a place that you never seen before? And if you did that in a game, and the game says that it happened? What you would...
This mod creates a connection between the Combine (Half-Life 2) and Aperture Science. It will most likely contain a new AI to replace GLaDOS. It will...
From the Journal of Test Subject #232: 31.21 N, 28.71 W. 2043 AD. It's hard to believe that just fifty years ago people were worried about the water levels...
The Evil Core has taken over GLaDOS and plans to use her weapons to destroy the world! As the last person alive in Aperture, it is your duty to stop him...
This is an unusual mod, with the brand new mechanic. The most part of game you will not be able to touch anything: you'll have to interact with boxes...
This mod is set in the newly Aperture Laboratories in the South of [SOME CONTINENT] where the only employee, GLaDOS, controls all the facilities, She...
Projex is a Valve's Portal Mod which is a personal creation that tributes the fabulous game of Portal. This is more of a skin rather than a real-game...
Here are some maps included in this mod for Portal players. Remember to try Bonus Maps. Have fun!
What happens when you install GlaDOS into the Vocaloid Hatesune Miku? The worlds greatest virtual diva becomes the worlds greatest virtual antagonist...
You wake up in a ruined laboratory, Aperture labs to be procise you don't have a portal gun in your hand, but you can tell your going to need one.