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Portal: Prelude
on Mac, Linux & Chrome OS

"Portal: Prelude, as its name states it, is an unofficial prequel to the game Portal. Its story revolves around the pre-GlaDOS epoch, even before she was plugged in. At this time, test subjects were monitored by real Aperture Science employees whose work was tedious, lengthy and repetitive. This is why they decided to build a great artificial intelligence that could both replace them in these difficult tasks, but also take responsibility for many other tasks within the complex and compete with Black Mesa's superiority. All employees of the Aperture Science complex are now eagerly awaiting GlaDOS. Maybe even a little too eagerly, as the upcoming events will tell..." Source- http://www.portalprelude.com/about.php

Mac Rating

Runs Well
Last Tested: 8.1.4 (1)

Linux Rating

Runs Well
Last Tested: 8.1.4 (1)

Chrome OS Rating

Unrated
Last Tested: n/a

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Portal: Prelude

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Screen Shots

COG-8.1.4/linux -- screenshot of game trailer -- 1024x768
COG-8.1.4/linux -- ingame screenshot -- 1024x768
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