How were the portals in Portal created?

YouTube user DigiDigger shows us how to recreate the portals from Portal. Highly interesting imo.

🤔 What happens when you mix Portal with Super Mario Bros? You get Mari0!

Portal Prelude

Welcome to Aperture Laboratories! Long before GLaDOS ever ran the facility, step into the shoes of a test subject and test the Aperture Science Handheld Portal Device (ASHPD) for yourself! Test your way through 38 devious test chambers using Portals, in addition to many other intriguing gameplay elements such as plasma balls and electric fields.

Play Portal on a TI-83/TI-84 (!) Now, where did I leave my calculator?

Download Portal Prelude →

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Mari0 Released!

Mari0, the game that cleverly mixes Super Mario Bros. and Portal, has been released over the weekend. Available for Mac, Windows & Linux. Source included (written in LÖVE)

Download Mari0 →

UPDATE The 1.1 download seems broken on OS X. Can be fixed by viewing the package contents and deleting from the Resources Package Folder