Using Valve assets from the video game Portal made in 2006 and maps/storyline from 2006, The Project-Beta team present a modification to Portal that allows players to play Portal 1 as it was in Late 2006, using a developer build from Valve to piece together the storyline, present Portal: Project-Beta.

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After almost a full year since release, the mod has been restructured to make things more clear. Through out the entire process of Project-Beta, many of us have a "favorite era" of development. It was always hard for us to target one point in history, so the current mod is the full game as of December 2006. With some exceptions, only the files needed to play that build are included, this helps with keeping the file size down.

This is a good place to start as you can add content to mimic the look before that or a bit after. Content packs like the X06 Content pack is a great example. The pack adds the X06 demo map, and triggers the era check in the mod's code which corrects the tone-mapping, and colors. This is dated from September 2006, the time in which the X06 expo took place.

It's difficult to put content in their own box. For example, for content that's a tad older such as the flame portals and the F-22 skin needs the x06 content and tone map fix, but other than that, it's do-able, and it is next in the pipeline. The real challenge is the 2005 look as the project was in rapid development! Multiple portals, multiple guns, brush models vs actual models, and there is no references really to go off of when it comes to when a certain piece of content was introduced.

The goal of this project now is to have this mod to be "the place" for all content relating to the development of Portal. While I'm in no position to remake everything, what I can do is release content in packs in which anyone can take and do what they will. I strongly recommend adding your packs to the download/addons page on this page instead of making your own beta mod. However, you're still free to use the content in what ever you like; as long as you give proper credit.

You can help with the project by cloning this repo and installing it in a clean Source SDK 2013 code base. Feel free to do pull requests and submit issues if needed.

You're also free to make new maps with a certain style and submit it to the downloads/addons page. I'm currently for fun remaking a map I did several years ago. While Portal 2 pretty much took over all of Portal mapping these days, I'd be cool to play some puzzles with an older style.

In the pipeline I got:

  • Early 2006 Content
  • Find a way to package 2005 content
  • Linux build

Some of the download files will update overtime, so be sure to stay tuned!

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Portal Project Beta

Portal Project Beta

Full Version 58 comments

A Source Mod for Valve's Video game, Portal that takes you back to a build from December 26th, 2006! Install by putting the project-beta folder inside...

French Patch !

French Patch !

Language Pack

Portal: Project Beta translated into French thanks to the voice modifier artificial intelligence to use the voice of GLaDOS in the game files. (It's a...

Portal Project Beta (Original Early Feb 2009 Demo) SteamPipe Fix

Portal Project Beta (Original Early Feb 2009 Demo) SteamPipe Fix

Patch

Here is the SteamPipe Fix for the 2009 Demo of Project-Beta.

Portal Project Beta (Original Early Feb 2009 Demo)

Portal Project Beta (Original Early Feb 2009 Demo)

Demo

Hi! Here is the demo version of Project Beta. Enjoy :) Please download the SteamPipe Fix before playing the mod.

Portal Project Beta (Original Late Dec 2010 Version)

Portal Project Beta (Original Late Dec 2010 Version)

Full Version

Here is the original 2010 version of this mod. I hope you'll like it.

Portal Beta (Original Late Sept 2016 Version)

Portal Beta (Original Late Sept 2016 Version)

Full Version 4 comments

For all of you who are having issues with the newer version of the beta, this is the original late Sept 2016 version. Dev & x06 maps included

Comments  (0 - 10 of 88)
MasterLuke64
MasterLuke64 - - 3 comments

IF any of you guys are seeing this and your from the Project Beta team, you guys need to make a remaster of Portal Project Beta using NVIDIA RTX Remix...

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Guest
Guest - - 696,127 comments

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milkmanbeanz
milkmanbeanz - - 76 comments

pretty much portal at one point in development from what footage I have seen of it.

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Guest
Guest - - 696,127 comments

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xenofurry554
xenofurry554 - - 2 comments

Hello. There are missing Textures when I load the 2006 beta from Project Beta (The original Version). the purple and black checker default texture is really hard to look at for me.

My PC Specs:
CPU: AMD FX-6100 3.30ghz (6 cores)
RAM: 4GB DDR3 Ram
GPU: BFG Tech GeForce GTS 250 (Prototype/ Showroom Floor Model)
Motherboard: Gigabyte GA-78LMT-S2P REV: 5.0

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edgemaster1533703242
edgemaster1533703242 - - 5 comments

To anyone with the issue of purple and black checkered pls change the options in advance video to enable the multicore rendering to fix the issue.

I found the issue of purple and black checkered the multicore rendering is disable by default so please enable it to fix this issues.

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Space_Core
Space_Core - - 2 comments

To change the fov turn on cheats and use the fov command the lowest is 75 (probably) and the highest is 90

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Chapmike
Chapmike - - 92 comments

Useful, but unfortunately not ideal, as you have to do repeat for every single map.

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headcrab-fan
headcrab-fan - - 15 comments

witch one has the trailer levels?

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EpicBoi69
EpicBoi69 - - 6 comments

go to keyboard settings, advanced, show developer consloe, click ok, press ` on ur keyboard, and type "maps *" then press enter, and you will see all developer test levels, normal levels, and advanced levls including the trailer maps, type "map <map name>" (without the "<" and ">", and whouala!

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Guest
Guest - - 696,127 comments

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Guest
Guest - - 696,127 comments

Normally, maps for trailers are usually just for showing off the game and (most times) can’t be played. I’m sorry, but this is probably not playable.

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Guest
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