Portal Beta Developer Test Maps Information Center
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Overview on Portal Beta Developer Test Maps
On March 24, 2017, an unknown individual leaked the original So i was on Reddit and found a link to a YouTube video showing off the Twitch: www.twitch.tv/bringusstudios Full stream vods:
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Featured Video Reports & Highlights
Below is a handpicked selection of video coverage, expert reports, and highlights regarding Portal Beta Developer Test Maps from verified contributors.
Portal Beta Developer Test Maps
Portal's Weird Beta Maps
![[Portal Beta] December 2006 Build](https://ytimg.googleusercontent.com/vi/d2DurEWBJwU/mqdefault.jpg)
[Portal Beta] December 2006 Build
Portal Beta 2005 & More 2006 Content
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Last Updated: May 23, 2026
Summary
For 2026, Portal Beta Developer Test Maps remains one of the most talked-about profiles. Check back for the newest reports.
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![[Portal Beta] December 2006 Build](https://i0.wp.com/ytimg.googleusercontent.com/vi/d2DurEWBJwU/mqdefault.jpg?resize=320,180)
![[Portal Beta] Portal Project Beta 2010](https://i0.wp.com/ytimg.googleusercontent.com/vi/hYaPWWZYsKI/mqdefault.jpg?resize=320,180)
![[Portal Beta] 2005 Maps](https://i0.wp.com/ytimg.googleusercontent.com/vi/htdAGiY_SWU/mqdefault.jpg?resize=320,180)
![[Portal Beta] GDC Demo from 2007](https://i0.wp.com/ytimg.googleusercontent.com/vi/R1X3cyvEi6w/mqdefault.jpg?resize=320,180)
![[PORTAL 2 BETA] Devtest map from PS3's Files](https://i0.wp.com/ytimg.googleusercontent.com/vi/XQl6_yvCj08/mqdefault.jpg?resize=320,180)
![[PORTAL BETA] intro_lvl5a with commentary](https://i0.wp.com/ytimg.googleusercontent.com/vi/-OvrFLVfkO8/mqdefault.jpg?resize=320,180)
