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portal_prelude

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Note: This is the full version of Portal: Prelude 1.1.0.

The project started as a simple test chamber for Portal, but quickly, it took off and went a totally different direction. More than 10 months was needed to actually produce this mammoth of what can't be considered a series of puzzle anymore. You can't really described this as a map, the amount of work is truly astonishing: story, voice-over, ... There is even an audio commentary from the makers and with English subtitles !

The story takes place before the events of the original Portal, when humans were still in charge of supervising the tests. They are even waiting with some excitement the arrival of GlaDOS ...

Note: The images on this page are taken from the official site and come from a beta version.

The official walkthrough is here.

Spawn point Archive size Uncompressed size
1 822.9 MB 1.5 GB

Added 2008/10/9

Screenshots (17)