Portal: Prelude

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Portal: Prelude is an unofficial prequel to the game Portal, developed by an independant team of three. The game features a brand new storyline focussing on the pre-GLaDOS era of Aperture Science where test subjects are monitored by employees of the facility. The game spans across 8 chapters covering 19 test chambers which follow a gradual learning curve similar to that of Portal. In addition, 48 challenge maps and 8 advanced test chambers are included with the mod.

Portal: Prelude
Mod Portal Prelude Splash.png
Basic Information
Developer:
  • Nicolas "NykO18" Grevet
  • Jérémy "Capitaine Mousse" Barbe
  • Marc "Moroes" Bidoul
Engine:

Source engine

Released:

Microsoft Windows

  • International: October 9, 2009
Modes:

Singleplayer

Genre:

First-person puzzle/platformer

Ratings:

N/A

Requirements:
  • Processor: Intel Pentium 4 3000 MHz
  • Display Card: DirectX 9 compatible graphics card
  • Memory: 1024 MB
  • Free Disk Space: 1.5 GB
  • Operating System: Microsoft Windows 2000/XP/Vista

Many gameplay elements from Portal make a return in Prelude, while entirely new gameplay devices were created exclusively for the mod, such as localised graviational fields. Portal: Prelude also features over 400 lines of voice acting, with English and French subtitles.

Awards

  • Portal: Prelude won third place in ModDB's Mod of the Year 2008[1]

External Links

Portal: Prelude homepage

Valve Developer Community page

References