Combine Occupation
First Person ShooterAfter escaping the Aperture Facility, Chell comes upon the Black Mesa facility, which has been taken over by the Combine. After being caught, she must...
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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After escaping the Aperture Facility, Chell comes upon the Black Mesa facility, which has been taken over by the Combine. After being caught, she must...
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...
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...
Portal: Reverb. In Portal: Reverb, you play as the first Test Subject in the ASHPD Testing Sequence after GLaDOS' little accident with the Enrichment...
What if Cave Johnson's multiverse theory was right? In which one includes Aperture buying out Black Mesa, and canceling the Anomalous Materials Research...
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...
are you ready of r the hardest portal 1 experience ever knwo? prepeare yourself.... Portal Epic Edition is here...
portal speedmod is a simple mod that aims to translate the style and movement of portal the flash version to portal
A Portal Recreation of the Leipzig Era (Early 2006) Aesthetic in the early 2006 leaked beta. (Doesn't yet) Include: Recreation of all 19 Test-Chambers...
This mod is about a scientist at Aperture during the making of GLADOS. in many ways it is a prequel to Portal Prelude
Taste The Cake is going to take the Aperture Science Enrichment Center to a whole different level of experiments.
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...