Portal: Project Beta Demo / file details 
This mod from the Portal: Project Beta Team is a full conversion mod featuring new textures, new models, new particles, and a new story mode. There are 2 Possible endings to the mod.
Mod added: 09.02.2009 | PB_Demo.rar | 37.49 MB | 610 downloads
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Portal: Prelude 1.1.5 / file details 
This mod by the Portal: Prelude Team is the prequel to the Portal game. Features include more gameplay hours than the original game, 8 chapters, 48 challenges, 6 advanced maps, a brand new storyline and more than 400 lines of speech.
Mod added: 02.02.2009 | portal-prelude-setup-1.1.5.exe | 740.25 MB | 1071 downloads
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Aperture Dčjá vu DEMO / file details 
This mod by Skinnycap, Tuoppi and Sbrown is a non-linear map with many paths to choose from. Good replay value.
Mod added: 30.01.2009 | deja_vu_DEMO.rar | 5.75 MB | 159 downloads
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HAlf-LIFE 2: Portal (Beta 1) / file details 
There was no description for this mod aside from the title. I assume it has you play through the Half-Life 2 universe in Portal. Mod by falloutfreak.
Mod added: 22.01.2009 | Half-Life_2_Portal.rar | 62.14 MB | 700 downloads
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Escape Alternative Final 1.0 / file details 
A new map by MrDirectX.
Map added: 21.01.2009 | escape_alternative_final.zip | 17.14 MB | 283 downloads
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Portal: Prelude 1.0.0 to 1.1.0 (Patch) / file details 
This will patch your Portal: Prelude to version 1.1.0 by the Portal: Prelude Team. See File Details for a lengthy changelog.
Mod added: 31.10.2008 | portal-prelude-update-1.0.0-1.1.0.exe | 383.98 MB | 1190 downloads
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Portal: Prelude 1.0.0 / file details 
This mod by the Portal: Prelude Team is the prequel to the Portal game. Features include more gameplay hours than the original game, 8 chapters, 48 challenges, 6 advanced maps, a brand new storyline and more than 400 lines of speech.
Mod added: 10.10.2008 | portal-prelude-setup-1.0.0.exe | 775.30 MB | 2551 downloads
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Skinnycap Last Map 1.0 / file details 
A new map by Marty.
Map added: 09.09.2008 | skinnycap_last.rar | 6.32 MB | 520 downloads
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Underground Story Map 1.0 / file details 
A new map by Martin Johansson.
Map added: 26.08.2008 | portal_underground_story.rar | 31.35 MB | 498 downloads
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MTN Portal Story | Part One 3.0 / file details 
A new map by Martin.
Map added: 07.08.2008 | MTN_Portal_Story.rar | 10.14 MB | 662 downloads
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MTN Portal Story Part One 2.0 / file details 
A new map by Martin.
Map added: 04.08.2008 | mtn_portal_story_part_one.rar | 9.52 MB | 736 downloads
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Test Chamber 74 1.0 (Fixed) / file details 
A new map by Mek.
Map added: 23.07.2008 | 74.rar | 2 KB | 515 downloads
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Tech Chamber Test A11 Rebuilding 1.0 / file details 
A new map by MrDirectX.
Map added: 03.07.2008 | tech_test_a_11_rebuild.zip | 1.30 MB | 507 downloads
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Portal: The Flash Version mappack / file details 
Based on the Portal: The Flash Version (http://portal.wecreatestuff.com/) This Mappack brings all of the 40 levels plus some more originals. The story takes place before the events of Portal and shows you the enrichment center from another perspective.
Map added: 05.05.2008 | wcs_portaltfv_mappack.rar | 39.41 MB | 5231 downloads
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Portal Multiplayer Mod (Beta2) / file details 
This will add a multiplayer mode to Portal. Mod by CaveJohnson.
Mod added: 22.04.2008 | PMM-beta2.rar | 46.14 MB | 4470 downloads
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11 Floors of Creative Minds Map 1.0 / file details 
A new map by qazuar.
Map added: 31.03.2008 | 11floors_of_creative_minds.zip | 1.44 MB | 1614 downloads
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MiniTest Map 1.0 / file details 
A new map by qazuar.
Map added: 31.03.2008 | minitest.zip | 1.08 MB | 465 downloads
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Maybe Black Mesa Map / file details 
A new map.
Map added: 04.03.2008 | maybeblackmesa.rar | 15.45 MB | 1979 downloads
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Bonus Map / file details 
A map with three version: basic, challenge and advanced.
Map added: 28.02.2008 | bs01.zip | 20.62 MB | 847 downloads
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Chamber 21 Map (v2) / file details 
A new map.
Map added: 28.02.2008 | chamber21_v2.zip | 2.66 MB | 827 downloads
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33 mods
