Portal: Prelude (2008)

Portal: Prelude Team

Mod of Portal

PC (Microsoft Windows)

My Save State is where you keep a diary of the games you play.

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Portal: Prelude, as its name states it, is a 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 … Portal: Prelude, as its name states it, is a 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... Read more

Release dates

  • Oct 09, 2008 PC (Microsoft Windows)