Play through the first Portal with a friend! Unlike other Portal Multiplayer Mods, this mod is focuses more on puzzles, rather than the basic shooting as seen in other Portal MP mods. Test custom maps and play a whole new campaign. But remember, be careful who you play with...

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Quanta

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Quanta is a full conversion mod for Portal that re-imagines the game in a new universe, based heavily on the 2005 in-development style of the game. Play...

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Chell's Legend is a portal mod with an exciting new take on the half-life 2 universe. Combining new mechanics and elements to tell a unique story.

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The 14 advanced chambers from the XBLA version of Portal, now playable on your PC!

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It is a non-linear map which have many paths to take and reach the end. The point is, that you play a map one time and you are happy. Then you have a...

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Blue Portals is a unique Portal mod that has players traverse through new test chambers using only the single portal device and many new test elements.

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Portal: Cooperative is a multiplayer Portal mod, the mod comes with a 2 player map set, 3 player map set, and a playground map. Colored Portals are also...

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A Portal mod with a Focus On Classic 2010 Portal mod Style.

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Portal Pro is a set of test chambers focusing on solving puzzles locally rather than using complex fling techniques. The goal here is that the solutions...

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This mod will have a custom story, 20 new test chambers (all sticking to Portal's original design), and new testing elements.

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The story is rewritten in the fashion of a community project. Aperture features 19 test chambers and an escape sequence.

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A Portal 1 beta mod using 2006 Valve beta assets and maps.

Portal Hardcore Mod (CANCELED)

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