Description

Alpha demo for the 15 anniversary release. The overhaul is still in development, so anything seen here is subject to change.

Preview
Portal Prelude HD alpha build
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Secret_Coming
Secret_Coming - - 1,057 comments

Ahhh back to the old roots eh.

If I can make a suggestion, a steam release for this mod would be great. It would also allow people who haven't played the old mod give it a try because they don't know about moddb or how to install mods outside of steam in general.

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oyqea-ntrtaynmnt-llc Author
oyqea-ntrtaynmnt-llc - - 166 comments

If it gets enough good feedback, I might see about doing it for the 20th Anniversary, along with some content that I don't have enough time for. This version will mostly just contain the Main Story, the Challenge Maps, and the Advanced maps will be replaced with an Advanced campaign taking place after GLaDOS is activated, and sometime before Portal: The Flash Version.

Yes, this is supposed to be an extended fanon-verse.

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Guest
Guest - - 690,440 comments

instructions to install?

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realsast
realsast - - 9 comments

extract the rar file into your sourcemods folder and restart steam. then you can find the game in your steam library

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