Portal: Aperture Offices
First Person ShooterThis mod is about a scientist at Aperture during the making of GLADOS. in many ways it is a prequel to Portal Prelude
A portal mod that takes you to the Aperture science home building, In an alternate chamber to the Glados testing center, to test the Aperture science hand-held portal device.
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This mod is about a scientist at Aperture during the making of GLADOS. in many ways it is a prequel to Portal Prelude
This portal mod has you playing through the events of portal, But glados is busy with another subject. So, instead you are testing with a core named Eric...
Portal-Life 2 gives the player access to the Portal Gun in Half-Life 2!
What if Cave Johnson's multiverse theory was right? In which one includes Aperture buying out Black Mesa, and canceling the Anomalous Materials Research...
Portal done Half-Life Source is a mod in which you are required to play through Portal 1's maps with the weaponry, movement and glitches featured in Half-Life...
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...
This is Chris Game, now with some sort of game direction. in this game, you will play as... well, I can't say currently, as that is a secret. but, you...
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...
INSTALLATION INSTRUCTIONS: 1. Unpack the archive in any way 2. Place unpacked folders along the path ... \ Steam \ steamapps \ common \ Portal \ portal...
Play Portal:TFV in First Person. I did NOT create much of this, this is mostly just the PortalTFV Mappack from wecreatestuff.com, i only did the "mod...
During the Revive, You should be quiet. Or, Your head would not be on your neck.