Portal Reversed Map Order
PuzzleInspired by original maps, a full experience is brought to all of the demanding Portal speedrunners. Complete the mod as quickly as you can and compete...
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Memories Only Chapter 1-2
PuzzlePortal Memories NOW IN PORTAL 2! new better edition! CHECK IT OUT HERE!---> moddb.com/mods/portal-2-memories The idea behind this is to make an episodic...
Portal: Still Alive - Map Pack version
PuzzlePortal: Still Alive, but instead of it being a mod on your Steam library, it's a map pack you can find in Bonus Maps.
Hazmat's Portal Map Pack
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Rexaura
PuzzleRexaura is a mod for Portal based on high energy pellets and several new mechanics surrounding them.
Aperture : Déjà vu
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Gamma Energy
PuzzleGamma Energy visits the Aperture Science East facility, built after GLaDOS gained sentience. The goal was to create a facility where GLaDOS' research...
Portal: Exercise Caution
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Tunneler Source Re-ignited (Cancelled)
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Portalium
PuzzlePortalium is a modification of Valve's "Portal", which aims to recreate the puzzles from the android game "Portalize" using Portal Beta 2005's visual...