Portal: Singularity Collapse
PuzzleExplore a new wing of Aperture Science focused on the creation of Portal Guns. Play as a scientist, traversing it's dilapidated remains after an unforeseen...
after 20 years in stasis, you awake to find out that the facility of h2f laboratories, the brother company of aperture science, has been abandoned for almost as long as you have been asleep, and the only voice you hear is an un-familiar one, not quite human, yet not quite machine. you are test subject 865, and it is time for the test you signed up for, to forward the technological advancement of the united states.
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Explore a new wing of Aperture Science focused on the creation of Portal Guns. Play as a scientist, traversing it's dilapidated remains after an unforeseen...
Caught in the crossfire of Portal's ending, return to the ever-expanding and changing Aperture facility from a brand-new perspective of a new Test Subject...
Another Slice is a Portal 1 remake, focused on preserving its run-down and deserted Aperture Science in Portal 2’s art style, while also touching up...
Say cheese! A new major mod with a completely new mechanic, created by a talented team :>
Portal: Citrus is a Portal 2 modification, which takes place in middle of 1995 in one of the departments of Aperture Science called Collaborative Production...
When Benjamin Carter is thrown into an Aperture prison for a murder he didn't commit, he is mysteriously released from his cell three days later. Who...
Welcome to the "Old Science Initiative", astronauts, war heroes, Olympians... Who else is worthy of the best honors?
Portal: Stay Inside is a third-party addition to VALVe's game Portal 2. Taking place in the familiar Aperture Science facility at an unspecified point...
Welcome to the Portal: Fading lab page, here we will officially publish content about the ongoing development of our mod.> The mod is not completely canonical...
Mind Escape is a mod that reveals the escape of one person from the laboratory. But is it that simple? Was it his desire? Who chooses this path? Himself?...
PuzEdit is a Portal 2 map and puzzle editor, based around the Perpetual Testing Initiative Editor currently built into Portal 2. It comes with all of...
Portal: Unity Reboot, remade for the Portal 2 game engine. The maps have been polished/remade/heightened to higher quality and mechanics have been shifted...