[This is a review of a free mod for Valve's Portal.  It is not made by, or licensed by Valve ]

The only bad thing about 2007’s surprise  hit, Portal, was its lack of length.  Most people upon completing Portal wanted more, and once you’ve done the advanced test chambers, and the challenges, all you’ve got left to do is wait for portal 2, or try some user made content, and that’s where Portal: Prelude comes in.

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